Gain from discounting notes

gain [gein]

vt.& vi. 获得;赢得;增加;（钟、表）走快; n. 利润;[土木工程]腰槽;获益; vt. （在…上）开腰槽;吸引;（通过努力）到达;推进（一段距离）; vi. 增进;增进健康;得益;（重量的）增加;

from [frəm]

prep. （表示时间）从…;（表示原因）因为;（表示来源）来自…;（表示分离）与…分离[隔开];

discounting

vt. 折现；贴现；折扣；计算现值（discount的现在分词）

notes

n. 票据；注释, 说明（note复数）

Go by the book.

照章办事。

The style is the man.

文如其人。

My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.

玛蒂尔德，我亲爱的朋友。让我告诉你吧。你向我借的那条项链并不是一条真的钻石项链。那条项链根本不值钱。项链中的宝石是玻璃做的。它最多值500法郎。