The problem of hunger worldwide is a hard nut to crack. I'm afraid that scientists need to put in more efforts.

全球性的饥饿问题是个棘手的问题，恐怕科学家们需要付出更多的努力。

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The money will be used for efforts to transform hillside agriculture by reducing erosion in targeted areas and so put more money into the pockets of farmers.

本笔资金将用于减少目标地区的水土流失，转变坡地农业生产方式，进而增加农户收入。

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I am sure that people would put more efforts into the things they like, and someday they will get anything they deserve in return.

我坚信，人们对于自己喜欢的事会付出更多的努力，而总有一天，他们会得到应有的回报。

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This could put more makerspaces on the ground that can help STEM education efforts in small towns and cities across America.

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All these things do not go unnoticed, and people understand the need for an economic transition to put society on a more sustainable footing more than they ever have, in spite of efforts from some quarters to convince them otherwise.

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Will most of them see Wal-Mart as a forced pit stop or might they be taken by surprise with the company's efforts to clean up stores, arrange merchandise in a more shopper-friendly way and put out better brands at lower prices than the competition?

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