So there is more even playing field instead of the 21:1 ratio, we are doing much more, focusing on the positive.

比起21比1的比率，两方更均衡，我们做得更多，除了专注于积极的一面。

哈佛公开课 - 幸福课课程节选

Today is meant to level the playing field so to speak.

今天这堂课纯粹是帮助那些平时爱玩的同学。

哈佛公开课 - 计算机科学课程节选

The proposal for a level playing field demands, of course, equal education.

等同地位竞争的提议，需要平等教育。

耶鲁公开课 - 政治哲学导论课程节选