后来我了解到，这些孩子应该在他们父母户口所在地的省份上学，户口是一种本地居住证，它允许某个家庭享有当地社会服务的权利。

I learned later that these children are supposed to attend school in the province where their parents have a hukou, the local residence permit that entitles a family to social services.

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批评人士还指出，安居工程的受益者只是城市居民，所谓的城市居民，是指那些有城市居民登记证，即城市户口的人。

Critics also point out that the social-housing programme will mostly benefit urban residents, whose household-registration certificates, or hukou, identify them as city residents.

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第十一条公民出境按照规定需要注销户口的，在办理注销户口手续时，交回居民身份证。

Article 11. Citizens leaving the country who are required to cancel their residence registration shall hand in their resident identity CARDS when going through formalities for such cancellation.

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