I've wanted one thing for my whole life - to be happy.
只热爱实践而无理论的人,就像没有舵和罗盘的水手,永远不知道他可能漂流到哪里。
The key to solving global hunger is not just increasing yield, but improving nutritional quality.
我们不能忽视煤炭的经济作用,但也不能忽视其环境影响。