You have to include a valid hashcash stamp in the headers of your message; specifically, one that includes my recipient address within the stamp.

在您的消息头中，必须包括一个合法的hashcash戳记(hashcash stamp)；具体地说，该标志中包含我的收件人地址。

youdao

To use this service, reporters must possess valid media credentials issued by a NASA center or issued specifically for the STS-131 mission.

记者若要使用这项服务，必须拥有由NASA中心颁发的或特为sts - 131任务颁发的有效媒体资质证明。

youdao

It USES regular expressions to make sure that only valid characters are used in the file name and checks specifically for the dot-dot characters:...

它将使用正则表达式以确保文件名中仅使用有效字符，并且特别检查圆点字符：. .。

youdao

That was until 2012, when his home state of North Carolina added to the ballot a constitutional amendment referendum specifically banning same-sex unions and defining marriage between a man and a woman as the only valid domestic legal union in the state, even though same-sex unions had never been recognized in the state to begin with.

CNN: Same-sex couples take long road to the altar