创建可放弃的撤消单元。

Creates a discardable undo unit.

youdao

不可以，因为大部份人认为生命是不可放弃的。

E - no. Because most people think that life should not be abandoned.

youdao

不可以，因为大部份人认为生命是不可放弃的。

E - no. Because most people think that life should not be abandoned.

youdao