The happy childhood is hardly worth your while.

VOA: special.2009.12.27

It's the fact you're getting this extra benefit from working with someone else that makes it worth while working as a team to start with.

但是现实是在你和他人合作中,你会获得额外的收益,这样合作才有价值

耶鲁公开课 - 博弈论课程节选

While the results may be disappointing, proponents of testing say identifying even a small number of people is worth the effort because early treatment saves lives and can prevent the spread of HIV.

VOA: standard.2010.07.23