Sustainability isn't a cost—it's an investment in our future.

The revolution is a long and arduous struggle, but with determination and unity, victory is certain.

在爱情方面，我是个无可救药的浪漫主义者和充满激情的人。

释义：一个人即使一生都很聪明，也可能在某个时刻犯糊涂。

Behavior is determined by the current stimulus situation and past reinforcement history.