Zero-coupon security

zero ['zɪro]

n. （数字）0;零度; adj. 全无的，没有的; v. . 聚焦，集中;

coupon ['kupɑn]

n. 优惠券;息票，通票;试样，试件;配给券;

security [sə'kjʊrəti]

n. 安全;保证，担保;保护，防护;有价证券; adj. 安全的，保安的，保密的;

se分开+cur关心+ity抽象名词，性质状态 → 安全；证券

The way to learn a language is to practice speaking it as often as possible.

学习一门语言的方法就是要尽量多地操练说出它来。

First, Mr. Stone Lee, our sales manager, will make a few remarks.

首先，请我们销售经理世通先生发表讲话。

You may have noticed something while you were doing this task. The point is that there is a difference between an interest and a skill. If you like art and enjoy looking at pictures, that is an interest. But if you can draw a horse that looks like a horse

你在回答这些问题时，你可能会注意到一些事。关键在于明白兴趣和技能是不同的。如果你喜欢艺术乐于观看图画，这只是一种兴趣。可是如果你能够画出一匹马，看起来像马而不像一只大狗，这就是一种技能。最好的工作是既能运用你做某事的技能，又是你兴趣之所在。同样，如果你相?2283