In any case, people usually tip 15% of the check.One of the pleasantest things about waiters and waitresses is that they refill your coffee cup several times for no extra charge!是什么意思_In any case, people usually tip 15% of the check.One of the pleasantest things about waiters and waitresses is that they refill your coffee cup several times for no extra charge!在线翻译_英语_读音_用法_例句