我认为这既是一门艺术，也是一门科学。

I think it's both an art and science.

youdao

这既是个绝佳的安排，又是个完美的合作。

It was a nifty arrangement, a perfect partnership.

《柯林斯英汉双解大词典》

这既是好消息，又是坏消息。

That is good and bad news.

youdao

Modernity is, in his work, a condition of social and psychological fragmentation which is both a private, personal dilemma and a public one, as he understands it.

在他的作品里，现代性，是一种社会和心理上的零散状态,就他而言，这既是个人的僵局，也是社会的停滞不前。

耶鲁公开课 - 现代诗歌课程节选