"The past is always tense, the future perfect."

We try to buy stocks that are selling below their book value.

城市林业证明自然与城市可以共同繁荣。

我把它当作每天都是一个变得更好的新挑战。

别人为食而生存，我为生存而食。

环境并不决定文化，但它为文化发展设定了限制并提供了可能性。

The challenge for media companies is to find new ways to reach audiences and to make money from it.

The power of quantum computing comes from the ability to manipulate quantum states in a way that classical computers cannot.

纯数学在某种程度上是逻辑思想的诗歌。

We are all bit-part actors in each other's lives.