"In the observational studies we found that some of the B vitamins, like folic acid,were beneficial."

VOA: standard.2010.06.17

It's a common bacterium and most strains of E. Coli are not harmful to people, in fact, they provide us with some beneficial properties.

它是常见菌,且大多数种类的菌株对人类无害,实际上还给了我们颇多裨益

耶鲁公开课 - 生物医学工程探索课程节选

Stopping growth in tumors can be a very beneficial thing.

阻断肿瘤的生长是一件十分有益的事

耶鲁公开课 - 生物医学工程探索课程节选

U.S.Attorney General Eric Holder has voiced support for reinstating the assault weapons ban, which expired in 2004, saying it would be beneficial to both the United States and Mexico.

VOA: standard.2009.04.12

But one argument that can be made is that things things were so terrible and so out of control in the earlier period that the strengthening of the state is something that people saw as beneficial.

然而有这样一个观点,在动荡不定的战争年代,一个极权国家是有利于国家的发展的

耶鲁公开课 - 欧洲文明课程节选

"We continue to look for ways to engage with Russia on missile defense in a way that is mutually beneficial and protective of countries' security against these new threats we face in the world."

VOA: standard.2010.03.26