When selected, displays a vertical margin along the left edge of the editor's text area.

选定后，将沿着编辑器文本区左边缘显示一条垂直边距。

youdao

When selected, displays a vertical margin along the left edge of the editor's text area.

选定后，将沿着编辑器文本区左边缘显示一条垂直边距。

youdao