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Profitability and sustainability are not mutually exclusive—they must go hand in hand.
科学与艺术属于整个世界,在它们面前,民族的障碍都消失了。
一个常见的经验是,一个晚上难以解决的问题在睡眠委员会工作后,在早上得到了解决。
Being busy is a form of laziness—lazy thinking and indiscriminate action.