Represents a dynamic data collection that provides notifications when items get added, removed, or when the whole list is refreshed.

表示会在加入或移除项目时，或重新整理整份清单时，提供告知的动态资料集合。

youdao

Represents a dynamic data collection that provides notifications when items get added, removed, or when the whole list is refreshed.

表示会在加入或移除项目时，或重新整理整份清单时，提供告知的动态资料集合。

youdao