non-mainstay

常见例句

He is the mainstay of our theatre group.
他是我们剧组的台柱。
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。
The culture of pearls is the mainstay of this county.
珍珠养殖是该县的主要经济支柱。