qua

[kwei]

prep.作为, 以之 ... 身份或资格

例句与用法：

Agreement by the management is a sine qua non of all employment contract.

管理部门的同意就是所有雇用合同的必要条件。

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。

详细释义：

prep.

【拉】以……的资格; 作为……