1·Without a valid certificate, no one can get into this building.
没有有效证件，谁也不能进入大楼。
2·The encryption attempt failed because no valid certificate was found.
因为没有找到有效的加密算法造成加密请求失败。
3·The connection requires a certificate, and no valid certificate was found.
这个连线需要一个凭证，而且找不到正确的凭证。
4·The Unified Messaging server will look for a valid certificate in this order.
统一消息服务器将按下面的顺序查找有效证书。
5·Uninstall the application, and reinstall a new version with a valid certificate.
卸载应用程序，并用有效证书重新安装新的版本。
6·The customer can use a valid certificate issued by a certification authority (CA).
客户可以使用凭证授权单位 （CA） 核发的有效凭证。
7·Passport/Pass No. : The number of the valid certificate for entering or leaving China.
护照或通行证号码：进出境有效证件的号码。
8·Article 2 the lawyer's practice license is the valid certificate for lawyers to practice law.
第二条律师执业证是律师执业的有效证件。
9·Customer may only use a Certification Mark, provided he holds a valid Certificate of Conformity.
仅当客户持有一份有效的符合证书时，才能使用认证标识。
10·Certificate authentication in this scenario really means "is the server providing a valid certificate?"
在此场景中的证书认证实际上意味着“是服务器提供了有效的证书吗？”