exchange的用法?

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exchange的用法?exchange的用法?exchange的用法?exchange的用法:首先,应掌握它的三个词性:动词,名词,形容词.分别来说一下它们的用法.1.动词.基本用法:(1)exch

exchange的用法?
exchange的用法?

exchange的用法?
exchange的用法:
首先,应掌握它的三个词性:动词,名词,形容词.

分别来说一下它们的用法.
1. 动词.基本用法:
(1) exchange sth 即“交换某物”.例:exchange gifts(交换礼物); exchange ideas(交换想法)
(2) exchange A for B 即 “用A来换B”.例:exchange dollars for RMB(美元换人民币); exchanging labor for room and board(用劳动来换取食宿); exchange a position in the private sector for a post in government(用私营部门的职位换取政府机构的岗位).

2. 名词.基本用法:
(1) “交换,互换”.例:There have been numerous exchanges of views between the two governments(两国政府间曾多次交换意见.).
(2) “兑换,汇率”.例:The purpose was to halt the rise in the exchange rate of the Swiss franc(目的在于制止瑞士法郎汇率上涨.).

3. 形容词.基本用法:
“交换的,交流的”.例:an exchange student(交换生); exchange programs (交流项目)

所以不是exchange的后面一定要加for,要看你是否有交换的目的,因些那两句中并不需要for.
Any beautiful backpack can't even exchange my little bag.
The most beautiful bag also can't exchange my satchel.