反过来，浏览器制造者和操作系统（OS）的设计人员---有些浏览者咨询证书认证机构的内部目录而其它人则翻动操作系统中嵌入的目录---毅然正式同意证书认证机构（CA）。

CAs are, in turn, signed off on by browser makers and operating-system (OS) designers—some browsers consult an internal list of CAs and others turn to a list embedded in the OS.

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很多人还是忽视这几年网上教学取得的进步，并且对正规的学位和“文凭制造厂”的证书无法区分。

A lot of people are still ignorant of the advances online education has made in recent years and fail to recognize the difference between legitimate degrees and "diploma mill" certificates.

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电梯生产单位不得向其他单位转借从事电梯制造、安装、改造和维修活动的资质证书。

No lift-manufacturing unit shall borrow from other units the qualification certificate of conducting lift manufacturing, installation, renovation or maintenance activity.

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