我敢肯定现在几乎每个人都在使用互联网——但我想知道，如果没有它我们该怎么办。

I'm sure almost everyone uses the internet now—but I wonder how we'd cope without it.

youdao

我做的是你们肯定现在在做的。

I had been doing what you're almost certainly doing now.

youdao

这堆石块，不知作何用途，在三十年前就有了，肯定现在还在那里。

The heap of stones, destined for no one knows what employment, which was visible there thirty years ago, is doubtless still there.

youdao

I now know it's got to be between these two statements. So let's put it there.

我现在知道肯定是,在这两个声明之间了。

麻省理工公开课 - 计算机科学及编程导论课程节选

And we can argue about whether or not that's work, but that has been the intention certainly in the 20th century and now 21st.

我们可以对这种现象有所争论，但这个观点,肯定是20世纪和现在21世纪的焦点。

普林斯顿公开课 - 人性课程节选

Now that you have the ability to ask yes or no questions, you wanna be able to branch or fork in the road based on those answers.

你现在能问一些肯定或者否定的问题，根据结果,你就能进行选择了。

哈佛公开课 - 计算机科学课程节选