問1、問2に答えなさい。 Of all the unusual customs in the US, none is such a regular-if low level— annoyance as tipping. On an average day you usually have to decide whether to tip and how much at least once. Probably more often. You can't reasonably just decide never to tip. A lot of waitresses are paid below the minimum wage so, by not tipping, you are denying them the chance of a decent standar