这样一种实用的思考方式通常被人们称为忽略误差。
There is a practical consideration that dictates ignoring mistakes. There are many kinds of mistakes, e.g.
您所需要的是使用一种实用方法简化基于标识的搜索。
What you need is a utility method to simplify identity-based searches.
图1作为一种实用服务器环境，这一概念将在以后详细讨论。
Figure 1 refers to such an environment as a utility server, a concept to be discussed in more detail later.
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