Yeah,yeah. And I think in addtion there seems to be other questions aboout our own military effectiveness.

是的，而且我们的军事效力也出现了一些问题。

普林斯顿公开课 - 国际座谈会课程节选

Then, they did preliminary studies of safety and effectiveness in people.

接着,研究人员对疫苗在人体中的,安全性和有效性进行初步研究

耶鲁公开课 - 生物医学工程探索课程节选