求翻译：出租房屋转让给他人后，房屋受让人应当继续履行已经登记备案的原租赁合同，并与承租人签订租赁主体变更合同，办理登记备案。是什么意思？

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Rental Housing transferred to another person, the assignee should continue to perform has been registered with the original lease contract with the tenant, and those who signed the lease contract, change body registered.

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Rented accommodation after transfer to others, houses already registered by the assignee should continue to carry out the original lease contract and leasing subject change contracts with lessees, registration records.

After hires house giving to other people, the house grantee had to continue to fulfill already registers sets up a file rents the contract originally, and rented the main body change contract with the tenant sign, handled the registration to set up a file.