普通的草木到了秋天就凋零了，只有松柏在秋天，仍郁郁葱葱。点评：南北朝时期刘宋学者刘义庆曾言「蒲柳之姿，望秋而落；松柏之质，凌霜犹茂。」松柏两树皆长青不凋，是志操坚贞的象征。

Collaboration across industries and borders is essential to meet the world's energy needs.

We've been through so much together, and that's what makes us strong.

Literature is the memory of humanity.

成功是一种心态。如果你想成功，就要开始把自己看作一个成功者。

最终，我们记住的不是敌人的话语，而是朋友的沉默。