valid

描述词 valid:

1. well grounded in logic or truth or having legal force
2. still legally acceptable

1. A valid objection.
   有按照的否决
2. The cheque is not valid if it were not signed by the finance director.
   若是不主管财政的董事具名支票就有用。
3. The marriage was held to be valid.
   这一婚姻干系是有用的。
4. A credit card is not a valid proof of identity.
   银行发的支票保付卡不是有用的身份证实文件。