non-valid

常见例句

• This non sequitur invalidates his argument.
  他不根据前提推理因而论证无效。
• The marriage was held to be valid.
  这一婚姻关系是有效的。
• The ticket is valid for one month.
  这票子一个月内有效。
• 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。
• A credit card is not a valid proof of identity.
  银行发的支票保付卡不是有效的身份证明文件。
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