prep.作为；以之 ... 身份或资格
Qua literature the work is negligible. 就文学本身而论，这本著作不是很重要。
Money, qua money, cannot provide happiness. 钱本身不能给人以快乐。
He did it not qua father, but qua judge. 他不是用父亲身份而是用法官身份处理此事的。
Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
