The development of the drone industry is ultimately to serve humans, not to replace them.
The child is not a passive recipient of knowledge but an active participant in the learning process.
儿童不是知识的被动接受者，而是学习过程的积极参与者。
我们都是深时的产物。
Coal will remain a vital energy source, but only if we evolve with the times.
即便这世界明天就要毁灭，我今天仍然要种下一株小苹果树！
"We are all of us made up of several people, and we contain the potential for all possible futures."
我们都是由几个人组成的，我们包含了所有可能未来的潜力。
追求幸福与追求快乐不同；幸福是灵魂的一种状态，而非身体的感受。