风险敞口是你不知道的风险。

Risk exposure is the risk you do not know.

市场先生是你的仆人，不是你的向导。

Mr. Market is your servant, not your guide.

投资回报与所承担的风险之间没有简单的线性关系。

There is no simple linear relationship between investment returns and risk assumed.

在极端情况下，大多数预测模型都会失败。

In extreme situations, most prediction models will fail.