问路、打扰、迟到、听不懂时可以用；正常点单、结账、取快递时，不一定每句都先道歉。
It's okay to use when asking for directions, interrupting, being late, or not understanding; but when ordering, paying, or picking up packages, you don't need to apologize every time.
It's okay to use when asking for directions, interrupting, being late, or not understanding; but when ordering, paying, or picking up packages, you don't need to apologize every time.