These are all examples where CPR with mouth-to-mouth breathing may be more helpful that hands-only CPR.

VOA: special.2009.06.09

I think these extra pictures sometimes they're helpful, sometimes they just make the book cost a lot more.

我想这些补充的图片有时是有用的,有时仅仅是把书价抬高了一点

耶鲁公开课 - 基础物理课程节选

Their advice may be all the more helpful during this period of economic recession.

VOA: special.2009.09.11

The book "Disappearing Destinations" explains more about these endangered places and suggests helpful ways to take action.

VOA: special.2009.04.22

And, it provides older, trusted, more experienced adults to offer helpful guidance to the students.

VOA: special.2009.01.28

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

But the study also suggests a more low-tech solution might be helpful.

VOA: standard.2010.07.14

It was just helpful." The Latino Economic Development Corporation began the lending program more than 10 years ago to help Hispanics, but now provides loans to anyone with a low income.

VOA: standard.2010.05.06