Zero-coupon bond

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;

bond [bɑnd]

n. 纽带;联系;债券;保释金; v. 使结合;建立互信关系;与…紧密联系;与…黏合;

bond(to bind)→束缚；债券；契约；保证人

Too many people take drugs to get high.

好多人吸毒是为了得到一种快感。

Which one is heavier?

哪一个是较重的？

Some stories are for swallowing. Imagine that you have found a good story, and, what is even more important, the time to enjoy it. You might be on holiday, or on a long train journey. If it is a good book, you might say, It's so good I can't put it dow

“这本书太好了，我舍不得把它放下。”但是并非所有的故事书都属于这一类。书评家们有时把一些书说成是“难以释手”的书，或者是“难以再读”的书。