Our greatest challenge is to show that these problems are part of an even bigger problem -- the problem of global poverty and underdevelopment. _____________________________

【参考答案】

我们面临的最大挑战，就是让大家意识到这些问题是一个更大问题的局部，这更大的问题是全球性的贫穷和欠发展。part of a......

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