In this article, however, the writer argues that marginal utility theory can only be used to deduce labor (work time) supply curve, but not labor force supply curve.
本文认为边际效用理论并不能推导劳动力供给曲线，它只能据以推导劳动(时间)供给曲线。
2
Intangible assets can be divided into classics intangible assets, marginal intangible assets, combined intangible assets and resultant force intangible assets.
并将无形资产分为经典无形资产、边缘无形资产、组合无形资产和合力无形资产等四类。
3
"Shortage of migrant workers" phenomenon is the amendment that the marginal labor force in rural areas were too low output in the past.