经济学特别是宏观经济学中说的投资是耐用资本品如厂房设备的生产，而平常说的“投资”是指购买资产如股票，这和经济学中的投资不同，为了区分，这种投资被称为金融投资。

Optimizing compilers are a lot like nuclear power plants. They are both very powerful and very dangerous.

Facing challenges requires courage to overcome difficulties and turn crises into development opportunities.

学习不仅仅是存储信息的问题；它是一个通过改变支配行为的规则来适应环境的过程。