discourse units造句

例句与造句

1. In english - chinese translation , the placement of topic should be given much attention , for topic is a discourse unit and it could have semantic ties with more than one sentence
   英译汉要重视话题的选择，因为话题是一个语篇概念，它可以而且经常将其语义管辖范围扩展到多个子句。
2. It's difficult to find discourse units in a sentence. 用discourse units造句挺难的