Most advanced countries of the world today have a corporate profits tax rate for large corporations of about a third.

现在世界上大多数的发达国家,都征收企业所得税,对大企业来说税率大概是三分之一

耶鲁公开课 - 金融市场课程节选

You reduce it in third. All right?

比如缩小到一半或者三分之一，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

Zero, all right?

得0分，对吧？

麻省理工公开课 - 固态化学导论课程节选