存在一些技术上的难题，但我相信在未来的5到10年里，我们将会建设商用的海洋涡轮发电场。

There are a few technical difficulties, but I believe in the next five to ten years we will be installing commercial marine turbine farms.

youdao

我相信在未来的某一天月球上会有采矿场。

I believe there will be some kind of mining setup on the moon at some point in the future.

youdao

但是我们相信在未来几十年内，这种情况很可能会改变。

But we believe this may well change in the coming decades.

youdao

There are services now, we don't know yet how to get those stem cells out of cord blood and how to use them for therapies, but it's reasonable to think that we might know about this in 30 years.

现在已经有提供这样的服务了,我们现在还不知道如何从脐带血中,提取这些干细胞并用于治疗,但有理由相信,在未来的30年内我们会知道的

耶鲁公开课 - 生物医学工程探索课程节选