measure word · classifier for stories, periods of time, lengths of thread, or distances

他在那儿住过一段时间。

measure word, noun, directional · a paragraph, part, or distinct segment of a written work or physical object

请读一下文章的最后一段。

noun, measure word · a specific phase or period of time in a process or development

我们的计划已经进入了实施阶段。

proper name · surname Duan

段先生是这家公司的经理。