You are never too old to set another goal or to dream a new dream.

我们的目标是让消费者以最低的价格买到最好的商品。

所有人都很害羞。别人在等着你介绍自己，等着你给他们发邮件，等着你邀请他们约会。干就完了。

Tradition and modernity are not opposites; they can coexist and enrich each other.

Every mathematical problem has a solution; you just need to find the right perspective.

传统很重要，但也要懂得进化。

阈限性是两个阶段之间的过渡状态，个体既不属于这里也不属于那里，处于两者之间。