We must balance economic growth with environmental responsibility.

我的人生没有剧本，一切都是即兴。

The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.

理解一种文化的最好方法是阅读它的故事。

图书馆里居住着夜晚从书页中走出的精灵。