that is legally or officially acceptable （法律上）有效的；（正式）认可的 Do you have a valid passport? 你有有效护照吗？ He bought a bus pass valid for one month. 他买了一张公共汽车月票。 They have a valid claim to compensation. 他们有要求赔偿的合法权利。
Extra ExamplesTopics Law and justiceb2Is your passport still valid? 你的护照还有效吗？ The agreement is not necessarily valid in other countries. 这个协议在其他国家未必站得住脚。 The original written contract was held valid. 合同原件被认定有效。 These discounts are valid for travel within the continental United States. 这些折扣对美国大陆内的旅行有效。 Vouchers are only valid for races taking place before 31 December. 优惠券只对12 月31 日前的比赛有效。
Oxford Collocations Dictionaryverbs- be
- become
- remain
- …
- still
- no longer
- legally
- …
- for
based on what is logical or true 符合逻辑的；合理的；有根据的；确凿的 She had valid reasons for not supporting the proposals. 她有充分的理由不支持这些建议。 The point you make is perfectly valid. 你提出的论点完全站得住脚。 That argument is not strictly valid in this case. 在这种情况下，那个论证逻辑并不严密。
Extra ExamplesThe old assumptions are no longer valid. 这些旧有的假设已站不住脚了。 This is a perfectly valid question to raise. 这个问题问得非常有道理。 We accepted several different approaches as valid. 我们承认几种不同的方法都很有道理。 We use a different, but equally valid, technique. 我们使用另一种同样合理的技术。 a logically valid deduction 符合逻辑的推论 a universally valid set of moral principles 一套放诸四海而皆准的道德准则 Accepting valid criticism is an important part of the learning process. 接受合理的批评是学习过程的重要一环。 I'm afraid that's not a valid excuse for missing the deadline. 恐怕这不是错过最后期限的有效借口。 Of course we'll listen to your complaints, as long as they're valid. 我们当然会听你的抱怨，只要它们是有效的。
Oxford Collocations Dictionaryverbs- be
- seem
- become
- …
- extremely
- fairly
- very
- …
- (
computing 计算机 that is accepted by the system 有效的；系统认可的 a valid password 有效密码
opposite invalid
Word Originlate 16th cent.: from French valide or Latin validus ‘strong’, from valere ‘be strong’.