平等交换 meaning in Chinese

give and take

Centered at this objective , this paper can be divided into two parts : in the first part , a logical analysis and synthesis will be conducted upon the economics ideas in last two hundred years to conclude three hypothesis ( hypothesis of economic man , hypothesis of resources scarcity , hypothesis of private property ownership ) , three principals ( maximization principal , fair trade principal , supply and demand principal ) and three methodologies ( individual analysis methodology , equilibrium methodology , cost - earning methodology ) , and the conclusions are the detailed comparative benchmarks in reviewing the economics theories
按照这一目标，本文做了两个方面的工作。上篇，运用逻辑的方法，对经济学两百多年的发展进行了一次综合，从中提取出三个假设(经济人假设、资源稀缺假设和私有产权假设) 、三个原理(最大化原理、平等交换原理和供求原理)和三个分析方法(个体分析的方法、均衡分析方法和成本一收益分析方法) ，以此来作为我们把握整个经济学发展脉络的参照系。