Dear Mr. Richard Levin, President of Yale University, Dear Students and Faculty Members, Ladies and gentlemen.

尊敬的理查德·莱文校长，同学们，老师们，女士们，先生们。

youdao

Dear Mr. Richard Levin, President of Yale University, Dear Students and Faculty Members, Ladies and gentlemen.

尊敬的理查德·莱文校长，同学们，老师们，女士们，先生们。

youdao