But there are a lot of unknowns.

但还有知数。

Well, we don't know any of that for sure.

现在一切都还是知数。

But at the moment we still don't know.

但目前这仍是知数。

So that gives us an equation.

一个方程两个知数。

But the future of the grapefruit is unknown.

但是葡萄柚的来还是知数。

And right now, that's a big if.

现在，这是一个大的知数。

And let's see what we could do.

因爲我们想消掉某个知数。

All of these were the unknowns.

所有这些都是知数。

When the Grand Duchess will come to Moscow is still unknown.

而何时能在莫斯科上映还是个知数。

But it's too soon to know if confidence is improving in long term.

但是信心能否促进长期经济发展还是知数。

X also represents the unknown in lots of places outside math too.

X 在数学以外的地方也知数。

How the felines got infected is still unknown.

猫科动物是如何被感染的还是个知数。

However, it's unclear if the House will go along with it.

但是众议院是否将会同意此项协议还是知数。

Chris Lewicki has faced these unknowns.

克里斯·刘易基要面对这些知数。

How they all fit into the ocean ecosystem is a big unknown.

它们如何融入海洋生态系统是一个大的知数。

You know, still so many unknowns about how it would affect children.

您知道，关于新冠如何影响孩子，仍有知数。

And it is not clear when they will, the Associated Press reports.

此外，据美联社报道，何时制定该方案目前仍是知数。

No. I mean, not really. We are in uncharted territory here in Kenya.

不知道，我们不太清楚。这在肯尼亚是个知数。

I guess you do. I was your wild card, huh?

我想你是真懂，当年你也觉得我是知数吧？

What happens next and who will lead the country now is uncertain.

至于接下来的局势以及谁将领导这个国家，现在还是知数。