Pride relates more to our opinion of ourselves, vanity to what we would have others think of us.

You have to be thick-skinned in this business.

Music has the power to heal, to inspire, and to bring people together.

二手车市场是信息不对称的经典例子。

路途再近，你不走，也不会到达。事情再小，不去做也不可能完成。

科学是我们解开生命之谜的工具。