我有四年员工的经验。

I have 4 years' experience in staff management.

youdao

我打四份工，用来支付大学期间的额外费用。

I worked 4 jobs to pay extra college expenses.

youdao

我打四份工，用来支付大学期间的额外费用。

I worked 4 jobs to pay extra college expenses.

youdao