不确定性的一个来源是需求。

One source of uncertainty is demand.

youdao

即便美国是不确定性的来源，美元也会受益。

Even when the US is the source of the problem, its currency benefits.

youdao

愚人节的具体来源很不确定，但是可能来自于法国。

The exact origin of the word April is not known.

youdao

但是我们还是不确定这种高温的能量来源于哪里。

But we're still not sure what the source of the heat is.

youdao

但是我们还是不确定这种高温的能量来源于哪里。

But we're still not sure what the source of the heat is.

youdao