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: 如果你用現金支付東西，有人問你："你給了我一張X美元的鈔票嗎？"，這是爲了挽救工作人員的工作。只要說是或不是。
YSK: 如果你用現金支付東西，有人問你："你給了我一張X美元的鈔票嗎？"，這是爲了挽救工作人員的工作。只要說是或不是。
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