请问trade-off 和trade 的区别,以及better-off和better的区别,thx

来源:百度知道 编辑:UC知道 时间:2024/06/04 18:23:13

trade-off只能是作为n.解释.表示交换, 协定, 交易, 平衡
trade不仅可作n.解释还可以作为vt.表示:用...进行交换
作为vi. 表示:交易, 买卖, 经商, 对换, 购物

better-off
只能作为adj.解释为: 境况较好的
beter不仅可作adj.解释为: 较好的
还可以作为adv.解释为:更好的, 更多的, 更佳的

1.trade-off(between sth.and sth.)
:the act of balancing two thngs that you need or want but which are opposed to each other.
(在需要而又相互对立的两者之间)权衡
There is a trade-off between the benefits of the drug and the risk of the side-effects.
这种药的疗效与副作用之间有个权衡利弊的问题.
trade:the activity of buying and selling(买卖)
the arms trade 军火贸易
2.better off
be better off :to have more money(比较宽裕)
Her promotion means that she is 100 dollars a week better off.
她的晋升相当于每月工资增加100美元.
better (good 的比较级)
You'd be better going by bus.你坐公交车去会好点.