Mr.Obama,by doing it,is really giving a push to know more about our area and being helpful assisting people,".

VOA: standard.2009.05.09

One nice way to think about it--here Athens is helpful.

一种佐证是...在这里雅典这个例子很有用

耶鲁公开课 - 古希腊历史简介课程节选

To gain an understanding of some of the issues involved, and the emergence of a tribal structure in the land, it's helpful to know something about the geography of Israel, which is why I have handed out for you a couple of different maps but one that gives you physical features .

为了了解其中一些事件，以及在这片土地上逐渐出现的部落形式，了解以色列的地理是很有好处的，这也就是我给你发了几份不同地图的原因,其中有一幅呈现了物理特点，在最上面。

耶鲁公开课 - 旧约导论课程节选

"And a step like the one it took yesterday is not helpful, is not going to lead to a resolution of these outstanding issues.

VOA: standard.2009.04.15

We'll talk about what is the right time and how do you find the right time, how do you find the balance between thinking about painful emotions and when does it slide to rumination, which is not always helpful.

我们会谈到什么是合适的时候,如何找到合适的时候，以及如何在,思考痛苦情绪,和让痛苦情绪滑入沉思到平衡，沉思并非总有帮助。

哈佛公开课 - 幸福课课程节选

"One of the things that this study was really helpful to show is that the amount of added sugar,as it increases, the triglycerides go up and the HDL goes down."

VOA: standard.2010.04.25

"So it's very much an area where there is potential for this to be very helpful, but still there is still a lot of work to be done to figure how to best do that."

VOA: standard.2010.07.16