Feeding today's population is a challenge for an already-stressed environment.

养活今天的人口对已经很紧张的环境来说是一个挑战。

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Feeding billions of starving people poses a daunting challenge, and many argue that industrialization has only drained the world of its natural resources.

要是数十亿人免于挨饿，是一项极为艰巨的挑战。有人认为，工业化只是耗尽了世界上的自然资源。

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He said there were also "major areas of challenge" including disappointing breast feeding rates, large variations in preventable tooth decay in children, high death rates from lung diseases and a large amount of preventable cancers and cardiovascular disease.

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Feeding 7 billion people is no small challenge.

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As a result of all this, feeding myself in a way that made me feel good and satisfied sometimes proved to be a huge challenge.

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