I could have used if b is equal to 0, the answer is 1, that would have also worked.

如果b等于0的话，答案是1，这种情况也能解决。

麻省理工公开课 - 计算机科学及编程导论课程节选

And there were many people trying to resolve the conflict, not just in the Middle East,else in the world, with very good intentions but very often making inadvertently the matters worse.

有很多人都试图解决冲突，不只在中东，世界各地都有这种情况，人们都心存好意,但往往在不经意间使事情变得更糟。

哈佛公开课 - 幸福课课程节选

The problem it solves for the cell is how to do I make a barrier around myself to define what's in me and what's outside of me when most of what's around me and what's in me is water.

它为细胞解决的问题是,当我体外和体内大部分都是水情况下,我怎样在自己周围设置一个界线,来区分什么是体内的,什么是体外的

耶鲁公开课 - 生物医学工程探索课程节选