我无法说出确切的数量，但将有成千上万个iPhone程序出现，覆盖所有可能的领域。

I can't tell you how huge this is going to be. There will be thousands of iPhone programs, covering every possible interest.

youdao

“将会”发生什么。我不能确切的说出，毕竟方法上存在太多变数。

What 'would' happen. I can't really say that, way too many variables.

youdao

我只瞥见他坐在车里，所以我无法确切说出他长得什么样。

I only caught a glimpse of him sitting in the car, so I can't tell exactly what he looked like.

youdao