本文主要对新旧比较经济学进行了比较研究。
The paper makes a comparative study on old and new comparative economics.
在我们的新旧网站上都出现了一个比较大的问题，即在预订过程中会经常性地出现一条错误的信息。
One major issue revealed was that on both the old and new sites an incorrect error message was frequently displayed during the booking process.
对新环境的日益熟悉让我们开始渴望真正的融入，于是我们开始对新旧环境进行下意识的比较和评估。
The individual is more familiar with the environment and wants to belong.This initiates an evaluation of the old ways versus those of the new.
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