At first he got what he wanted by a simple process of an exchange

问题描述:

At first he got what he wanted by a simple process of an exchange

一开始,他通过简单的交换过程得到了他想要的东西。

一开始,他通过简单的交换过程得到了他想要的东西.
简单交换指不用货币为中介的物与物之间的交换.
what he wanted是宾语从句,意思是“他想要的东西”.by通过.