The Passport ID is the reference to the passport object, which is maintained, in memory, by the Content Manager component.

Passport ID 是 passport 对象的引用，由 Content Manager 组件在内存中维护 passport 对象。

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The passport ID is inserted in the cam_passport cookie, which is used to confirm that the user has successfully been authenticated in his or her current session before.

passport ID被放在cam_passport cookie中，使用这个cookie检查用户在当前会话中是否已经成功地通过了身份验证。

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Passport or ID information is needed when booking tickets online.

网上订票时需要提供护照或身份证信息。

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Either the potential bride or groom must prove that that they have been living in the area for at least a week by supplying proof of address, such as a utility bill, and must provide a passport or ID card and proof of work.

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The process for registering with M-Pesa is very straightforward: it requires a PIN and an official form of identification (a passport or a national ID card) but there is no need for a bank account or a home address.

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The process involves ID verification using a passport, driver's licence with photo-card and a utility bill.

BBC: Losing your identity