They also help him understand that people must cooperate and work toward common goals.

他们也帮助他理解，人们必须合作，为共同的目标而努力。

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As such they also help to reduce development costs.

它还可以帮助降低开发费用。

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They also help the body break down collagen in skin production.

他们还有助于分解肌肤新陈代谢中产生的胶原质。

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They also help prevent soil loss and protect water supplies.

VOA: special.2009.09.01

They also help us deal with the negative.

积极心理学还帮助我们处理消极情绪。

哈佛公开课 - 幸福课课程节选

They also help people feel more happy and peaceful.

VOA: special.2010.06.08

They also help Maori maintain their connections to land, hapu, iwi and their history.

UNESCO: Memory of the World - New Inscriptions

They do that too. (Full disclosure: they also help FORBES with some of our city-based lists).

FORBES: Amber Case On Geoloqi Acquistion: 'Esri Is A Beautiful Match'

They also help reduce the traditionally high salt and sugar content of aeroplane meals.

BBC: A possible end to plane food