You are in violation of the law—driving without a valid license.

你在没有有效驾照的情况下开车是违法的。

youdao

All customers travelling on TransLink services must be in possession of a valid ticket before boarding.

所有使用联运服务的乘客在登机前必须持有有效机票。

youdao

They believed, correctly, that IQ tests are a valid method of evaluating children for special education classes.

他们相信，IQ 测试是评估孩子是否适合特殊教育课程的有效方法，这是正确的。

youdao

from Europe with a valid entry visa. Umar Farouk Abdulmutallab's name should have come up on a computer screen.

VOA: standard.2009.12.28

It's not a valid experiment if it has no chance of showing that my hypothesis is flawed.

如果根本没可能证明我的假设,是有瑕疵的，那么这个试验。

麻省理工公开课 - 计算机科学及编程导论课程节选

And yet get a valid test. Sometimes it can be timing. If you're running multiple processes.

有些时候当你运行多线程时,是因为时间的原因。

麻省理工公开课 - 计算机科学及编程导论课程节选

Channel 4 said it "was as valid a subject for television drama as any other illegal act, such as murder, theft and blackmail, watched by millions on television every week".

BBC: john simm

So you know, for me, it's just the - it's just continuing that tradition and helping to hopefully educate Americans that comics are as valid a medium for telling these sorts of stories as any other one.

NPR: Post-Katrina Depicted in Comic Strips

Users are then responsible for registering a single account with a valid email address, credit card details along with a billing address (alternatively, a valid Paypal ID).

FORBES: European Courts Rule In Favor Of Consumers Reselling Downloaded Games