dividing line
noun/dɪˈvaɪdɪŋ laɪn/
/dɪˈvaɪdɪŋ laɪn/
[usually singular]- something that marks the division or contrast between two things or ideas
（两种事物或思想的）分界线，界限 - There is no clear dividing line between what is good and what is bad.
是非之间没有明确的界限。
- There is no clear dividing line between what is good and what is bad.
- a place that separates two areas
（分隔两个地区的）地界，分界线 - The river was chosen as a dividing line between the two districts.
两个地区以这条河流为界。
- The river was chosen as a dividing line between the two districts.