求翻译：2）、阅读三封商务书信；对商务书信的格式和结构有个初步了解。根据书信不同情景，各自比较商务书信，初步了解商务书信。是什么意思？

2), read three business letters; on the format and structure of business letters have a preliminary understanding. According to letters of different scenarios, each more business correspondence, a preliminary understanding of business correspondence.

2) business correspondence, reading 3 letters; the business correspondence format and structure of an initial picture. Correspondence in accordance with their respective comparative business correspondence, various scenarios, preliminary understanding business correspondence.

2), reads three commercial correspondence; Have a preliminary understanding to the commercial correspondence form and the structure.According to the correspondence different scene, respective comparison commerce correspondence, understands the commercial correspondence initially.

2), read three letter business letter; on business letters have a preliminary understanding of the format and structure. According to the letters of different scenarios, each business letters, get started with business letters.

正在翻译，请等待...