全世界范围内，所有人类活动造成的二氧化碳排放中，水泥生产要占到总排放量的5%。
Worldwide, cement production accounts for about 5 percent of all CO2 emissions related to human activity.
塞利格曼先生说他现在不同意亚里士多德那所有人类活动的目的是幸福的观点。
Mr Seligman says he now rejects the Aristotelian view that all human action aims at happiness.
由于男性和女性在所有人类活动起着同样重要的作用，为什么他们不能平起平坐？
Since men and women are playing an equally important role in all human activities, why should not they be on an equal footing?
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