常见例句

There is a contentious clause in the treaty.
这条约中有一条有争议的条款。
This non sequitur invalidates his argument.
他不根据前提推理因而论证无效。
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。
The diplomat was declared persona non grata.
这位外交家被宣布为不受欢迎的使节。
He is declared personal non grata and forced to leave the country.
他被宣布为不受欢迎的人而被迫离开该国。