Intellectual property results from creative thinking and may include products, services, processes, and ideas.

知识产权源于创造性思维，可能包括产品、服务、流程和想法。

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Other complaints include poor property management services, contract violations and instances where the release of property ownership certificates have been postponed.

房屋类投诉还包括物业管理服务差、合同违约及房产证迟迟办理不下来。

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With barter, you include in your income the fair market value of property or services you received.

FORBES: Home Improvement

The report also proposes giving students more choice in where they go to school and shifting the tax burden away from property taxes, perhaps by broadening the state sales tax to include services.

ECONOMIST: Urban planning

Other competitors in the services sector include: Avalonbay Communities (AVB), Mid America Apartment Communities Inc (MAA), and Essex Property (ESS).

FORBES: Earnings Preview: Apartment Investment And Management - Forbes