Only in research on entirely new treatments are new and unexpected variables likely to arise.

只有在研究全新的治疗方法时，才可能出现新的和意想不到的变数。

Future research should look at the behavior and ecology of these worms, to understand what caused the new species to arise.

未来的研究应该看看这些蠕虫的行为与生态学，以了解新物种的出现是由什么造成的。

Another urge or need that these gardens appear to respond to, or to arise from is so intrinsic that we are barely ever conscious of its abiding claims on us.

这些花园似乎所回应或所产生的另一种期望或需要如此潜藏于内在，以至于我们几乎从未意识到它对我们的持久要求。

But Borges says as preserving the forests becomes more valuable, conflicts could arise over who owns the rights to the carbon credits.

VOA : standard.2009.12.17

It shouldn't be difficult to see a kind of problem that is beginning to arise in Milton's text here.

这是一个很容易看出的问题,在弥尔顿的作品中也被提了出来。

弥尔顿课程节选 : 耶鲁公开课

So they didn't want one king to arise, and they didn't want a small coterie of leaders to arise.

所以他们不能让一个国王崛起，不能让一个小团体壮大。

新约课程节选 : 耶鲁公开课

Pyongyang also promised to alert the South if similar situations arise in the future.

VOA : standard.2009.09.09

At present,there are pockets in areas of Haiti and the U.N.security forces are working with the Haitian national police to address those pockets as they arise.

VOA : standard.2010.01.19

In 1990 he became clinical director of the maternity unit, but problems again began to arise.

BBC: Mr Richard Neale

The most difficult disagreement is likely to arise over how to accomplish the path to citizenship.

NPR: Senators Reach Agreement On Immigration Reform

For peace to arise, Palestinians cleanly break not only with Mr. Arafat but with his legacy.

CENTERFORSECURITYPOLICY: After Arafat