It is basically a passive data structure holding an abstract description of an action to be performed.

它基本上是一个被动持有一个抽象数据结构的描述一个动作。

youdao

It is basically a passive data structure holding an abstract description of an action to be performed.

它基本上是一个被动持有一个抽象数据结构的描述一个动作。

youdao