Sometimes it does work quickly, but it's a method designed for effectiveness over speed, so it may work the same night, or it might take weeks if not a couple of months.

它有时候会很快奏效，但是这个方法的设计理念的着眼点是效果而非速度。所以它可能会在当晚奏效，或者需要几周甚或几个月的时间。

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It can attach itself to a church or a class, or it may work in a merely negative sense, against something or other and without the need for any positive object of loyalty.

这情感可以依附于一座教堂，一个班级，或者仅仅表现在消极的一面，反对着这些那些，不需要一个积极的具体事物来寄托忠诚。

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Answer: Melatonin has been shown to be effective in randomized clinical trials - the kind considered the gold standard in medicine - but it may work better for some sleep problems than others.

答：褪黑素的效果已在被视为医学金标准的随机临床试验中得到证实，但它可能对某些特定种类的睡眠问题尤其有效。

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Now,the University of Southern California researchers say their work may make it possible for doctors to heal cleft palate before birth.

VOA: special.2009.12.22

Now, if you dug a hole here until there, and of course it may work until that happens.

现在,如果你在地上挖个洞,让这个物体下落时间足够长,那还说得通

耶鲁公开课 - 基础物理课程节选

All of us need some money, but some people really enjoy doing work that may not generate, if it's non-profit work like what we do.

我们都需要一些钱，但有些人,是真的乐于从事平凡的工作，比如说像我们做的这种不会发财的工作。

普林斯顿公开课 - 人性课程节选

Due out in 2004, it may work faster and longer and cause fewer ulcers than other COX-2 inhibitors.

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Ms Sturman said that while the AU financial woes may worsen, it may work more effectively in the post-Gaddafi era.

BBC: What does Gaddafi's death mean for Africa?

It may work, but you don't earn HP-size profits by me- tooing.

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