You can help yourself by helping others.

你可以通过帮助别人来帮助自己。

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Congress should look into doing so directly, by helping to finance PreCheck enrollment or to cut costs in other ways.

国会应该考虑直接这么做（指的是前文的降低价格），这可以通过向预检注册提供资金或削减其他方面的开支来实现。

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The idea behind microfinance is to empower borrowers by helping them build a business which can create income and grow.

VOA: special.2010.06.16

So essentially, they regulate this action potential, and they do so by helping to establish and then control the voltage gradient within the cells.

总之本质上，它们负责调节动作电位,它们做到这一点通过协助制造,并控制细胞内的电位梯度。

麻省理工公开课 - 化学原理课程节选

And, so, as things are going downhill many people in Paris said look, we must keep fighting, but we must imagine a different world where--we have, we're being betrayed by the provinces that are not helping us, and we need to have help from the provinces.

于是局势日渐危急,许多在巴黎的人说,我们必须战斗,我们要想象出一个全新的世界,有些省份对我们坐视不理,我们被遗弃了,我们需要其他省的援助

耶鲁公开课 - 1871年后的法国课程节选

The top executives in market-leading companies demonstrate their commitment to hiring goals by helping out themselves.

FORBES: Magazine Article

What can they do to help heal the wounds by helping their fellow Americans?

CNN: Transcript: Bush praises charity efforts

It does so by helping degrade crucial cell-signaling proteins that may help tumors to spread.

FORBES: Magazine Article