The sentence 'he has experience' is correct and usable in written English. You can use it to refer to a person's knowledge or familiarity with a certain activity or situation. For example, "With 10 years of financial consulting experience, he is the ideal candidate for the job.".
"He has experience".
And he has experience.
He has experience and ideas.
He has experience creating programming.
So he has experience with pets.
He has experience of that too.
However, he has experience behind him: he first worked with the Sinfonietta last year, when he wrote Smear.
When I feel like I can't trust my brain 100%, Ludwig really comes in handy. It makes me translate and proofread faster and my output more reliable.
Claudia Letizia
Head Translator and Proofreader @ organictranslations.eu