考研英语大纲常考词组短语 exist by
释义：
exist by 靠…生活
例句：
I exist by what I think.
我靠所思考的东西而生存。
You cannot exist by this idea.
你不能光靠这种想法生活。
I exist by what I think and I can't stop myself from thinking.
我靠我之所思生存，因此我不能停止思想。
Before doing so, we need to delete any fields that may already exist by that name.
在这样做之前，我们需要删除也许已经以那个名字存在的任何域。
You can't exist by hope alone, you have to have some properly thought-out plan.
你不能只在愿望中生活，应该有个经过深思熟虑的计划。
A mechanism must exist by which a completed form can be submitted for processing and storage.
必须存在一种机制，可以按照该机制提交已完成的表单，用于处理和存储。
My thoughts are me :That is why I cannot stop. I exist by what I think…and I can't prevent myself from thinking.
我的思想就是我的全部：这就是我无法停止思考的原因。我思故我在…我无法抑制思考。
The sovereign does not exist by nature but rather, Hobbes tells us again, the sovereignty is the product of art or science.
霍布斯又告诉我们说，国家不是生来就有的，而主权也只是科学和艺术的产物罢了。
Metapopulation can exist by the dynamical balances of the extinction of populations and the recolonization of empty patches.
集合种群通过局部灭绝和重新侵占空斑块之间的动态平衡而续存下去。
The db2audit.log file does not exist by default and will not exist until audit records are generated or the audit buffer is flushed.
log文件在默认情况下并不存在，只有在生成了审计记录或者刷新了审计缓冲区的情况下，该文件才会出现。
But not only I will think the literature not to end, on the contrary will exist by a more widespread form in each corner which lives now.
但我认为文学不但不会终结，相反会以更加广泛的形式存在于当今生活的每一个角落。
You do not exist by some freak of nature, and are not the result of natural selection, but purposefully and lovingly created to exist in your environment.
你们的存并不是由于一些大自然的反常，也不是自然选择的结果，而是在你们的环境中被有目的地和慈爱地创造的存在。
The losing soil countrymen is a special group people that appears going with social development, they exist by working in city but not cultivating their land.
流民群体是制度变迁和社会转型产生的特殊群体，主要包括进城农民工、返乡农民工、失地农民。
The object of knowledge management is the results of understanding impersonal exist by human being. The results may be divided into four classifies as data, information, knowledge and wisdom.
知识管理的对象是人类对客观事物认识的结果，这些结果可以分为数据、信息、知识和智慧等。