You don’t need a weatherman to know which way the wind blows.

自然万物发展变化的规律是：发展到尽头，就会走向反面；发展到极盛之后，就会趋于衰落。

We must balance economic growth with environmental responsibility - they are not mutually exclusive.

我真的不考虑年龄。我认为人的年龄取决于他们的感受和行为。