你和朋友们一起聚餐的时候，会怎样处理买单的问题呢？你会在用餐快结束时，悄悄地离席，装作去卫生间，然后毫无张扬地把账结了？还是大家AA制？抑或是别人还没来得及提出分摊时，你就先拿出你应付的钱？你是怎么想的呢？聚餐时大家如何付账才合理而且礼貌呢？

The methods of practicing economy（实行节俭） are very simple. Spend less than you earn. That is the first rule. A portion should always be set apart for the future. The person who spends more than he earns, is a fool.The next rule is to pa