YSK: If you pay for something in cash and you're asked "Did you give me a $X bill?", it's to save the staff member's job. Just say yes or no.
from /r/YouShouldKnow
YSK: 如果你用现金支付东西，有人问你："你给了我一张X美元的钞票吗？"，这是为了挽救工作人员的工作。只要说是或不是。
YSK: 如果你用现金支付东西，有人问你："你给了我一张X美元的钞票吗？"，这是为了挽救工作人员的工作。只要说是或不是。
YSK: If you pay for something in cash and you're asked "Did you give me a $X bill?", it's to save the staff member's job. Just say yes or no.
from /r/YouShouldKnow