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一本书是通往其他生活和其他世界的窗口。
可持续发展需要在经济增长与环境保护之间取得平衡。
我不会让我的国家失望。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
The basis of optimism is sheer terror.
The more we learn about sensory biology, the more we realize how intricate and finely tuned our nervous system is.