要学会控制投资风险，使用适当的风险管理工具。

无穷的概念既迷人又令人困惑。

People fear what they don't understand and hate what they can't conquer.

Innovation in fisheries management is key to preserving marine ecosystems.

The director's vision is the soul of the film; without it, the film is just a series of moving images.

如果你对每隻向你吠的狗，都停下来扔石头，你永远到不了目的地。