将上个版本中的“单级列表”形式，升级为可以展现附属关系的“层级嵌套”形式。

Will be the last version of the "Single List" form, can show affiliation to upgrade the "nested hierarchy" form.

youdao

将上个版本中的“单级列表”形式，升级为可以展现附属关系的“层级嵌套”形式。

Will be the last version of the "Single List" form, can show affiliation to upgrade the "nested hierarchy" form.

youdao