Abstract: the public rental housing security level and the housing rent subsidies of the family unit are the core problems for the design of public rental housing system.

摘要：公租房的保障水平、以家庭为单位的租金补贴金额的测算是公租房制度设计中需要研究的核心问题。

youdao

This appears to call into play the age-old question of whether a rental activity rises to the level of a trade or business.

FORBES: Ten Things We Learned From The New Obamacare Investment Tax Regulations

To the contrary, if the rental activity does not rise to the level of a trade or business, the fact that it is no longer treated as passive courtesy of the real estate professional rules will not change the fact that the rental income is considered net investment income.

FORBES: Ten Things We Learned From The New Obamacare Investment Tax Regulations

But in general, the more active and involved the property owner is in the rental, the better chance that it rises to the level of a trade or business.

FORBES: Ten Things We Learned From The New Obamacare Investment Tax Regulations