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Investing in technology is investing in the future of energy.
Happiness is secured through virtue; it is a good attained by man's own will.
Collaboration across borders is the only way to address global deforestation.
解释:货卖完了才知道不足,是由于不懂得计量;事情结束了才知道有余,是由于不懂得调节。
我们今天所做的每一个决定都会影响下一代。