To lose a language is to lose a way of seeing the world.
失去一种语言就是失去一种看世界的方式。
Psychology must be based on observable facts, not speculation.
一些编程语言设法吸收变化,但可以承受进步。
相信你的努力。
We try to buy stocks that are selling below their book value.
信息是物理的,信息处理总是与物理定律相关。