清单5定义基于UDP的基本客户机通信框架。
Listing 5 defines a basic UDP-based client communication framework.
这基本上是一份客户服务工作，包括回答问题、帮助人们解决电脑问题等，给你一个培养人际交往能力的机会。
It's basically a customer service job, answering questions, helping people solve their computer problems, give you a chance to develop your people skills.
只有最基本的客户信息被存储到数据库中。
Only the most basic customer information is stored in the database.
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