标题: 经典例句,语法求破 [打印本页] 作者: 猪是的念来过倒 时间: 2013-7-4 18:02 标题: 经典例句,语法求破 1、All the issues discussed so far would not matter much if we lived in an economy of such plenty that there was enough to satisfy all of everyone s wants.
2、Compared with the known desires of individuals for such products as better food, clothing, housing, education,holidays, health care, and entertainment, the existing supplies of resources are clearly inadequate.
3、This scarcity “gives rise to” the basic economic problem of choice.
4、As we produce more and more civilian goods (by having more and more resources devoted to producing them), the amount of military output that must be forgone to produce one extra unit of civilian goods rises. That is, the opportunity cost of producing one good rises as more of that good is produced.
(主要看最后一句)语法点怎么破?