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The ratio of positive to negative emotions that predicts flourishing is about 3 to 1. Above that ratio, people tend to flourish; below it, they tend to languish.
The energy industry is not just about extracting resources; it's about powering progress and innovation.
教育不仅必须是文化的传播者,而且还必须提供对世界的另类看法,并增强探索的意志。
书是一个小小的奇迹。