"What I have heard representatives of Europe and China say is that the target the United States has tabled can be improved upon.

VOA: standard.2009.12.09

And so I do feel that it is improved tremendously.

我也认为普林斯顿大学有很多的改进。

普林斯顿公开课 - 人性课程节选

I think I mentioned to you that the Greeks improved upon it and made it a true alphabet by taking some signs that they didn't need for their own language by turning them into vowel sounds.

我想我向你们提到过希腊人将这种字母表改良,并使其成为真正的字母表,他们把一些并不需要的符号,变成元音使用

耶鲁公开课 - 古希腊历史简介课程节选

"I think the situation has improved not just from the arms supply, I think from the people's participation in the area that is the important factor,".

VOA: standard.2009.08.31

But here's a new and improved, I think, version of increment; ++ returns nothing, takes nothing, but it does perform plus plus, but I did something stupid.

但这里是一个新的，改进了的increment版本;,没返回值，没输入值，但它执行的是，但是我做了件愚蠢的事情。

哈佛公开课 - 计算机科学课程节选

"The situation hasn't improved at all I'm afraid."

VOA: standard.2010.04.17