I don't like debt. Companies with a lot of debt are riskier.
量子力学不仅仅是一个理论,它是理解现实基本本质的一种方式。
We're not asking people to give up anything. We're giving them something better.
生物学是对那些看起来像是为了某种目的而被设计的复杂事物的研究。