petty cash的解释
零用现金
petty cash的例句
She had been pilfering from the petty cash for months.
她多月来一直从零用现金中偷钱.

I'd be careful about putting him in charge of the petty cash; he's got sticky fingers.
让他保管零用现金，我得小心，他有小偷小摸的习惯。