数学的力量在于它的普遍性和抽象性。
Power is not something that can be learned in a day. It is a process, a strategic game that requires constant attention and adaptation.
古代著书立说的人,都是有所为而为之,不是随便写写的。
Investing in research and development is investing in the future of dairy.
电池革命才刚刚开始。
不信你短短观察几天,就不如初次的印象好了。