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"expertise in" vs "expertise on"

Both 'expertise on' and 'expertise in' are commonly used phrases in English, but they are used in different contexts. 'Expertise in' is more commonly used to refer to someone's knowledge or skill in a particular area, while 'expertise on' is used when discussing a specific topic or subject.

Last Updated: March 20, 2024

expertise in

This phrase is correct and commonly used when referring to someone's knowledge or skill in a particular area.

Use 'expertise in' when you want to talk about someone's knowledge or skill in a specific field or subject.

Examples:

  • She has expertise in marketing.
  • His expertise in finance is well-known.
  • The team has expertise in software development.

Alternatives:

  • knowledge in
  • skill in
  • proficiency in

expertise on

This phrase is correct and commonly used when referring to knowledge or skill about a specific topic or subject.

Use 'expertise on' when you want to talk about someone's knowledge or skill related to a specific topic or subject.

Examples:

  • She has expertise on climate change.
  • His expertise on cybersecurity is impressive.
  • The professor has expertise on ancient history.

Alternatives:

  • knowledge on
  • skill on
  • proficiency on

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