Yes, I do believe it's theft but perhaps it is necessary to condone that theft.

我确实认为这是盗窃,但也许我们有必要容忍它。

耶鲁公开课 - 公正课程节选

I have never had any myself and I don't plan to unless I need to maybe in the future.

我自己没有整过。在将来，除非有必要，我也不打算去整容。

整容是个人自由 - SpeakingMax英语口语达人

I think they are quite memorable.

我觉得是很有必要记住这些内容。

耶鲁公开课 - 1945年后的美国小说课程节选

I can't help but I feel I need to ask you this question.

我觉得很有必要问您一个问题。

普林斯顿公开课 - 国际座谈会课程节选

I know that some felt the pace of the arguments was a little slow, but I felt that this was generally necessary, not only for the unphilosophy-savvy population, but also to cover all points."

我知道有人认为论证过程有点慢，但我感觉这样做总体上讲是有必要的，不只是为了不懂哲学的同学们，也是为了能覆盖所有推理内容“

耶鲁公开课 - 死亡课程节选

I mean, it's kind of a necessity for a lot of students, myself included, to have these jobs

我的意思是，对于大多数学生而言，
也包括我在内，做这些工作是很有必要的，

再没时间也要挤出来 - SpeakingMax英语口语达人

Do I think it should be necessary?

我认为有必要吗？

想成为律师的话 - SpeakingMax英语口语达人