Maintain friendships. In this world right now, there is a great tendency to move you to one side or the other, and be in conflict.

保持友谊在这个世界,有把你从一面推向另一面的趋势，并且两面相互对立。

普林斯顿公开课 - 人性课程节选

Ours a much more visual-- it's a much more analytical-- type of approach to music and it has its pros and cons.

我们的这种更加可观赏的,更易分析的音乐创作途径,自然也有正反两面

耶鲁公开课 - 聆听音乐课程节选

So there's a sort of two-faced representation of the critic.

所以那些评论都是有两面性的。

耶鲁公开课 - 1945年后的美国小说课程节选