阅读这两个场景对话，注意它们表现出来的正式性程度的不同，以及对师生等级关系的认识差异。

Note the differences in formality and personalness and the degree to which the students recognize the hierarchical difference between themselves and the teacher.

youdao

由于考虑到此谈话的隐私性及非正式性，此谈话内容最初并没有被少部分听到的记者报道。

The conversation was not initially reported by the small group of journalists who overheard it because it was considered private and off-the-record.

youdao

非正式性反映在注释使用了dc： description元素，该元素一般用于资源的松散说明。

Reflecting this informality, the annotation USES the dc: description element, which is generally a prose account of the resource.

youdao