必须能够确定所推断的气候条件所维持的时间。
It must be possible to determine the time at which the inferred climatic conditions held.
博客收入还是很容易就能够维持的。
许多人都有自己想要维持的最低生活标准。
Many people have a minimum standard of living they want to maintain.
但是仅仅靠威慑来维持的和平实在太脆弱了。
But a peace maintained by deterrence alone is a frail thing.
需要刻意维持的关系都不是好关系。
Need to deliberately maintain the relationship is not good relationship.
长期来看，这是无法维持的。
为汽车换一次发念头油能维持的时间。
显而易见，内贾德已经找寻到了可以长久维持的新朋友们。
Yet it is far from clear that Mr Ahmadinejad has made any lasting new friends.
钱从来都不够用，母亲的收入微薄，父亲的收入也很微薄，他们的收入几乎很难维持住他们必须维持的社会地位。
The mother had a small income, and the father had a small income, but not nearly enough for the social position which they had to keep up.
钱从来都不够用，母亲的收入微薄，父亲的收入也很微薄，他们的收入几乎很难维持住他们必须维持的社会地位。
There was never enough money. The mother had a small income, and the father had a small income, but not nearly enough for the social position which they had to keep up.
哪些行星可以维持生命的存在？
它要维持自己的环境不受影响。
这位教师无法维持她的课堂纪律。
只有当我们待人礼貌时，我们才能和他人维持愉快的关系。
Only when we're polite to others, can we maintain a pleasant relationship with them.
他们很难维持,因此需要更多的运营成本。
They are difficult to maintain and thus need more operating costs.
减肥并维持减肥效果是困难的。
有很多方法可以创造并维持一个和谐的宿舍生活。
There are several ways to create and maintain a harmonious dormitory life.
这需要付出很大的努力来维持。
为维持平衡，生态系统“顶点”的大鱼可能和小鱼一样重要。
To maintain a balance, big "apex" fish may be as important as the small one.
我们的所得税现在部分用于维持我们邻居的生活。
Our income tax now goes in part to keep our neighbors alive.
所有这些都将有助于维持你的社区的安全，并且不会花费你任何费用。
All these things will help keep your community safe and will cost you nothing.
这家工厂不能维持目前的生产水平。
The factory cannot continue its current level of production.
诚实是维持一切良好关系的基本原则。
他们的首要目标是维持低成本。
维持良好的工作关系非常重要。
我们的食物足够维持三天。
他的地位已难以维持，因此他被迫辞职。
His position had become untenable and he was forced to resign.
我们的钱不足以维持到下个月。
我们的钱不足以维持到下个月。
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