Try this as an experiment: smile at someone as you pass them on the street or walking around the office.

试着做下面这个试验：在街上或办公室对与你擦肩而过的人微笑。

youdao

Now, I'm gonna try an experiment. I don't do experiments, normally. I'm a theorist. But I'm gonna see what happens if I press this button. (presses button on remote)

现在我要做一个实验。我平时是不做实验的，我是一个理论物理学家。但我还是要看看当我按下按钮时会发生什么。

youdao

As an experiment, try building your next project by first placing in all the content that should be on the page.

作为一个实验，在你的下一个项目中可以尝试一些把应该在页面显示的内容最先放上去。

youdao