题目内容：

英语翻译
A ”favor" is doing something for another person that the doer has no obligation to do,For example,going to the store for a friend or mailing some letters so that a sick friend wouldn't have to go out in the rain.Since a favor involves doing something extra,it re-quires an expression of thanks.It is appropriate to thank the person again after the favor has been done.For a "bigger" favor,that is,one involving more time or effort,the beneficiary may also give a gift to the doer of the favor.For small things,such as holding open a door,a person simpiy says "Thanks".

优质解答

一个“帮忙”是替别人做某事,而做事者没有义务去做这件事.例如,替朋友到商店买东西或为了不让生病的朋友出去淋雨而去替他寄信.因为帮忙涉及的是做额外的事情,就需要对此表达感谢之情.当帮完忙后再感谢帮忙者一次是很...