for a long time vs for a longer period of time

Some examples from the web:

• Oct 27, 2011 ... Which preposition is correct and what is the difference in meaning if any? I went to the gym, something I haven't done for a long time. I went ...
• In formal contexts, if something bad or unpleasant continues for a long time and never improves, you can say it happens unremittingly.
• How to use "for a long time" in a sentence? ... These sentences come from external sources and may not be accurate. bab.la is not responsible for their content.
• "I felt for a long time like everything beautiful in me had been taken out": Women's suffering, remembering, and survival following the loss of child ...
• Mar 21, 2023 ... 'I cried for a long time': Black hair stylist's dream crushed by racist neighbor. Angel Pittman says her dream to create a mobile hair salon ...
• 2 days ago ... He gets better and better every year, and I really hope Alex is here for a long time.” The Steelers have made some moves this offseason to free ...

Some examples from the web:

• I'm thinking I want to extend our medical supervision for a longer period of time.
• Furthermore, the derogation should be granted for a longer period of time than hitherto, but not beyond 31 December 2004, when the current GSP scheme expires.
• It is not clear at this time whether these symptoms occur more commonly or severely if you have been taking pregabalin for a longer period of time.
• They are usually allotted on the last Wednesday of the month and have a three-month maturity, thereby giving banks the opportunity to cover their liquidity needs for a longer period of time.
• We must work for a longer period of time but at the same time the pension we receive from statutory occupational retirement schemes will be smaller than before.
• More puffs, or more intense puffs, make the state last for a longer period of time.
• If you have been using the same dose of Fentanyl-ratiopharm for a longer period of time, your doctor may decide that you are permitted to drive and use dangerous machines.
• With regard to demographic change patterns, the European Union needs a motivational strategy for senior citizens in order to keep them in employment for a longer period of time.
• The measure would have allowed the sports clubs to offset losses suffered in the past against future profits for a longer period of time: the possibility of extending the period over which losses can be deducted would have represented an economic advantage.
• If aid is granted for a longer period of time, then competitiveness becomes distorted.
• And they're harder to lure, so they hold on to them for a longer period of time.
• The introduction of the different kinds of application procedures by this Regulation makes it necessary to provide for a longer period of time within which the Commission fixes these amounts.
• This will allow the Commission to react quickly, should market prices fall for a longer period of time below the level of the MIP.
• Such unwinding could potentially have resulted in the growth rates of M3 and loans declining more strongly and for a longer period of time than would be expected, for instance, on the basis of developments in economic activity or interest rates.
• Consequently, the Common Positions adopted by the Council with regard to these countries and that region which do not define common basic principles valid for a longer period of time and are not required as a legal basis for the implementation of EU policy, should be repealed,
• Stresses that a double checking system cannot be implemented in 2008 alone and that an effective surveillance system should be guaranteed for a longer period of time;
• Stresses that a double checking system cannot be implemented solely in 2008 and that an effective surveillance system should be guaranteed for a longer period of time;
• stresses that a double-checking system cannot be implemented in 2008 alone and that an effective surveillance system should be guaranteed for a longer period of time; -
• The milk was consumed by the family but was also processed into cheese, which was the only way of preserving its nutritive value for a longer period of time.
• MEPs stress that a double checking system cannot be implemented solely in 2008 and that an effective surveillance system should be guaranteed for a longer period of time.