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我们需要找到方法使能源储存更高效和可持续。
The passions that incline men to peace are fear of death, desire of such things as are necessary to commodious living, and a hope by their industry to obtain them.
The debate over minimum wage should focus on evidence, not rhetoric.
The Eskimos had fifty-two names for snow because it was important to them: there ought to be as many for love.