To help with our analysis consult the annual property operating data form on page79.

为了帮助分析，请看79页的表《房屋每年维护数据》。

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First, a nation has to have a good operating system: laws, regulations and property rights.

第一，一个国家必须具备一个好的操作系统：法律、规章和产权。

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When it is installed on the same machine, the Model Importer can directly read the location of installed Rose property files from the operating system (OS) registry.

当安装在同一台机器上时，Model Importer 可以直接从操作系统（operating system，OS）的注册表中读到已安装的 Rose 的属性文件的位置。

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Total occupancy cost is the sum of base rent, property tax and other operating expenses that prospective tenants would have to pay annually per square foot.

FORBES

The result has been lousy operating earnings for property owners and thus falling prices.

FORBES: Should a Business Buy Its Own Building?

The return is the annual rental value, minus operating costs like property taxes, heating bills, lawn care and insurance.

FORBES: I, Landlord