Cannot choose this operator, since the selected operator is a parent of the current operator.
不能选择操作，选定的操作是当前操作的母轨。
To move up a level from the current context, just use the .. operator.
要从当前上下文移动到上一级，只要使用.. 运算符。
Mobile virtual network operator (MVNO) is the current hot topic.
移动虚拟运营是当前的热门话题。
Mobile virtual network operator (MVNO) is the current hot topic.
移动虚拟运营是当前的热门话题。
应用推荐