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了解穷人的真实生活是设计有效政策帮助他们第一步。
Understanding the real lives of the poor is the first step toward designing effective policies to help them.
You have to be ready to suffer and enjoy suffering.
改变的秘诀是将你所有的精力集中在建设新事物上,而不是与旧事物斗争。
Chemistry is the art of manipulating matter at the molecular level, and catalysis is its most powerful brush.