" I don't know what I'll do after that — the future is a big unknown, " he said.

" 我不知道在那之后我会做什么--未来是一个很大的未知数。" 他说。

I think that the bigger unknown here is going to come in the form of protests or potential protests.

我认为，更大的未知数会以抗议和潜在抗议的活动形式出现。

The other big unknown is the impact of artificial intelligence.

另一个巨大的未知数是人工智能的影响。

In other words, extra dimensions allow us to think about these big unknowns in new ways with some super clever maths.

换句话说，额外维度允许我们用一些超级聪明的数学方法以新的方式思考这些巨大的未知。

Hence the second big unknown: are bond markets deep enough to cope with the coming flood?

因此存在第二大未知数：债券市场的深度是否足以应对即将到来的洪水？

The biggest unknown lies in the psychological effects, which is much harder to study, and may actually play a bigger role in major competitions.

最大的未知数在于心理效应，这更难研究， 但实际上可能在重大比赛中发挥更大的作用。

Thankfully, most economists are not predicting this outcome, but all of this is highly uncertain, and it all depends on the biggest unknown -- the course of the virus.

令人庆幸的是，大多数经济学家都未预测到这一结果，但所有的事情都是具有高度不确定性的，一切都取决于最大的未知因素——病毒的进程。