Such UML elements should be only for purposes of documentation or clarification and should have no semantic significance to the actual implementation of the solution being described.
这样的UML元素应当仅仅用于记录文档或者澄清分类，并且应当对于所描述的解决方案的实际执行不具备重要的语义学意义。
It provides a method of contacting the person writing in the remarks column if more information or clarification is needed.
这将提供一个与备注栏记录人联系的渠道，以备需要向其获取更多的信息和说明。
Then you can always ask for repetition or clarification if you have not understood, whereas a native speaker would be less likely to do so without losing face.
其次，不理解时你可不断要求重复或解释，而说母语的人这样做则会很丢面子。
Then you can always ask for repetition or clarification if you have not understood, whereas a native speaker would be less likely to do so without losing face.
其次，不理解时你可不断要求重复或解释，而说母语的人这样做则会很丢面子。
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