A book can be a friend, a teacher, and a doorway to another world.

我们都是童年的流亡者。

The future belongs to the era of new energy.

水果种植行业需要更多的科技投入，智能化是未来的方向。

The idea of America is so important to me. It's about freedom, democracy, and the ability to create your own destiny.

解释：第一次击鼓能振作士兵们的勇气，第二次击鼓可以使士兵们的勇气低落，第三次击鼓士兵们的勇气就消失了。

The market is an example of a spontaneous order: a system which is the product of human action but not of human design.