函数是一种对应规则，通过它当给定任何东西（作为参数）时，可以获得另一个东西（该参数的函数值）。

Sustainability isn't a trend—it's our responsibility to the next generation.

我不在乎过去，我在乎未来。

任何农场最好的肥料是农民的足迹。

There are no sunset industries, only sunset thinking.

The best way to predict the future is to invent it.

Success comes when you focus on long-term value rather than short-term gains.