Second , finance is about the unknowable future .

其次，金融是关于不可知的未来。

It will make the mental aspects of our lives mysterious and unknowable .

这也会使我们的精神生活变得神秘及不可知。

Investors have to deal with uncertainty in terms of lack of information and the unknowable future .

投资者必须面对信息缺乏和未来不可知等不确定性。

The nairu is virtually unknowable unless wages start to take off , something that a watchful ecb is unlikely to allow .

nairu经常是不可知的，除非工资上涨，但外在因素比方说欧洲央行却不允许这样做。

This creates an assumption that the only way to protect against unknowable , unpleasant dangers is to diversify your portfolio .

这导致了一种假设命题的产生：分散投资组合是防范不可知且令人不快的风险的唯一方式。