You only get the maximum benefit if you implement all of them because their power comes from their interaction.

您只能在实现所有方法的情况下获得最大收益，因为它们的力量来自它们之间的交互。

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The group said most women under 50 do not need regular mammograms and that women over 50 should only get them every other year.

VOA: standard.2009.12.06

There are some exceptions, which we'll get to later, but the only a big exception here is with hydrogen, which has a special stability that's associated with two electrons.

但也有一些例外我们将以后再讲，但这里只有一个较大的例外，氢，它的稳定性比较特殊，只需要两个电子。

麻省理工公开课 - 化学原理课程节选

The problem is the same, how do I get the gene that I want into only the cells that I want?

同样的问题又来了,怎样准确地,把目的基因只导入特定细胞呢

耶鲁公开课 - 生物医学工程探索课程节选

He would only get the job if Total moved to buy out a weakened BP.

FORBES: BP's Hayward Is A Goner

They only get the weekends together and any break together is good for them.

BBC: Egypt hot air balloon tragedy: Tributes paid to victims

You can only get the free wi-fi once per person who uses your Karma signal.

FORBES: How To Get Free Internet When A Stranger Uses Your Wi-fi