本文采用案例分析和对比分析的研究方法,深入阐释了商务英语信函写作中应该遵循的原则.
问题描述：
本文采用案例分析和对比分析的研究方法,深入阐释了商务英语信函写作中应该遵循的原则.
答
The case analysis and comparison analysis are used in this article to thoroughly describe the rules which should be followed in writing business English letters.希望可以帮到你