external benefits造句怎么写

2、An example of economic activity which confers external benefits is the renovation of a deteriorated building, with resultant upgrading of esthetic and property values for nearby landowners.

1、Because the free market does not provide adequate incentives, government must intervene to limit external costs and facilitate production of external benefits and collective goods.

3、The industrialization of straw gasification technology for rural cooking gas supply was evaluated as3 aspects: gasification equipment producing plant and related technology service company, cooking gas supply system constructing company and external benefits.