请教to与for的用法：OG13 - Diagnostic Test 48

nancyxia · 发表于 2013-8-6 05:46:59

48. Critics contend that the new missile is a weapon
whose importance is largely symbolic, more a tool
for manipulating people's perceptions than to fulfill
a real military need.
(A) for manipulating people's perceptions than to
fulfill
(B) for manipulating people's perceptions than for
fulfilling
(C) to manipulate people's perceptions rather than
that it fulfills
(D) to manipulate people's perceptions rather than
fulfilling
(E) to manipulate people's perceptions than for
fulfilling

这道题从平行结构可以很容易判断出来答案是B，但是楼主有疑问的是to与for的意思在这种情况下是否有不同？OG给的解释是：
There are two acceptable solutions: (1) for
manipulating can be followed by for fulfilling or
(2) to manipulate can be followed by to fulfill.
这题看起来是可以互换的，但有的时候做题遇到to do表目的是不能用for doing替换的。其他贴子没有查到这题的解释，请哪位NN帮忙解释一下，非常感谢!

nancyxia · 发表于 2013-8-7 00:33:48

自己顶，求大神指点～

xiqiong · 发表于 2013-8-7 11:55:31

我记得有看过一个貌似ron的帖子，具体不太记得了。反正大概就是这么说的： I bought a pair of shoes for running. 这里for running表示的是鞋子的功能。 i bought a pair of shoes to run. 这是表示买鞋的目的。都是对的~只是说含义有一点不一样。

nancyxia · 发表于 2013-8-7 22:50:52

xiqiong 发表于 2013-8-7 11:55
我记得有看过一个貌似ron的帖子，具体不太记得了。反正大概就是这么说的： I bought a pair of shoes fo ...

多谢xiqiong，我找到了，在这里

http://www.beatthegmat.com/noting-that-the-company-s-network-is-vulnerable-t108143.html

in general, the modifier “to + verb” is used to signal the goal or purpose of an action/statement, while “for + verbing” conveys the idea that the action is, in some generic way, oriented toward the process of “verbing”. in many instances, therefore, both constructions are fine. for instance:
i need to get a new pair of shoes to run --> this sentence implies that “to run” is the ultimate goal (which, presumably, hasn't yet been achieved). in other words, according to this wording, i can't run until i get a new pair of shoes; therefore, “to run” is the ultimate goal or purpose of getting a new pair of shoes.
i need to get a new pair of shoes for running --> this sentence just means that i need to get a new pair of running shoes (= shoes whose purpose is oriented toward the general process of running). this sentence is different, in the sense that it doesn't portray the act of running some sort of remote goal or purpose that hasn't yet been achieved; it merely identifies the reason why i'm getting the shoes.

请教to与for的用法：OG13 - Diagnostic Test 48

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