They had a mail service, although it was for official use only.
建立了邮政系统，虽然只供官方使用。
These questionnaires were used only for screening purposes, the study notes, and were not equivalent to the official symptom checklists doctors use to diagnose depression.
调查也指出，所有问卷都比较“委婉”，跟医生用来诊断抑郁症的官方版检测表不一样。
The consular bag may contain only official correspondence and documents or articles intended for official use and must be sealed and bear visible external marks of its character.
领事邮袋以装载来往公文、公务文件及公务用品为限，应予加封并附有可资识别的外部标记。
You should use this temporary certificate only during development, and purchase an official certificate for deployment.
只应在开发过程中使用该临时证书，在部署时应该购买正式证书。
You should use this temporary certificate only during development, and purchase an official certificate for deployment.
只应在开发过程中使用该临时证书，在部署时应该购买正式证书。
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