Foreign firms hold trivial amounts of domestic financial assets (under 2%), and play only a marginal role in any domestic sector.

外国公司只占有国内金融资产的零头(低于2%)，在任何一个国内部门都只是个小角色。

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However, if the sector is imperfectly competitive, the price will exceed the social marginal cost and we'll see value added being artificially transferred between sectors.

然而，在不完全竞争的环境中，产品价格就会超过社会边际成本，从而导致人为的部门间增加值转移。

youdao

Foreign firms hold trivial amounts of domestic financial assets (under 2%), and play only a marginal role in any domestic sector.

ECONOMIST: China's financial system

Growth of output in the manufacturing sector was only moderate, while a marginal rise in new orders offset the fall in new business reported by the service sector.

BBC: Scottish business going through soft patch, says survey

At its core it pledges the notion that the informal economy is made up of marginal activities that are distinct and largely unrelated to the formal sector.

FORBES: Informality: A Marker Of Opportunity