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故事的力量在于它能够将我们带到另一个地方和时间。
Global hunger won't be solved by charity alone - it requires systemic change.
随机评估可以帮助我们了解发展中哪些措施有效,哪些无效。
如果一个作家不能激起敌意,那他就已经死了。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.