While researchers continue to work on vaccines, the key is to raise awareness around treating TB.

VOA: standard.2010.07.12

Still if we ask, "What's doing the metaphysical ?" work here?" What's the key to ? being the same person?

如果我们问，“这和形而上学,有什么关系,成为同一个人的关键是什么？

耶鲁公开课 - 死亡课程节选

So, making gene therapy specific is a key problem in making it work.

所以基因治疗中,特异性对能否成功就至关重要了

耶鲁公开课 - 生物医学工程探索课程节选

And that in turn leads to additional emissions of harmful pollutants and our area is very concerned about improving air quality as one of the key ways to make our communities even better places to live and work."

VOA: standard.2010.07.26