Several years experience?

[Torsten]

Hi, what is the difference between 'several years experience' and 'several years of experience' other than one expression contains a preposition and the other doesn't?

Thanks,
Torsten

TOEIC listening, photographs: Soldiers marching

[Yankee]

Hi Torsten

The meanings are the same, but I'd also say that several years' experience should have the possessive apostrophe.

Amy
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