形容詞 valid:

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

1. A valid objection.
   有根據的反對
2. The cheque is not valid if it were not signed by the finance director.
   如果沒有主管財務的董事簽字支票就無效。
3. The marriage was held to be valid.
   這一婚姻關系是有效的。
4. A credit card is not a valid proof of identity.
   銀行發(fā)的支票保付卡不是有效的身份證明文件。