对商品估价，要综合考虑商品的劳动耗费和使用价值。
In assessing a commodity, it is necessary to take account of both expenditure of labor and use value.
补贴也会产生超额负担，因为它们鼓励人们消费一些估价小于其生产的边际社会成本的商品。
Subsidies also create excess burdens because they encourage people to consume goods valued less than the marginal social cost of production.
针对当前我国城市商品住宅价格与估价方法中存在的问题，指出论文研究的意义。
In the light of the problems in fixing the price and the evaluation methods of urban commercial dwelling, the significances of this thesis are pointed out.
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