I'll want to extract the common elements of performance into an abstract base class.

我想把性能的公共元素提取到一个抽象基类。

youdao

The key concept is that it is the abstract base class that controls the workflow.

关键点是抽象类控制这个流程。

youdao

The key concept is that it is the abstract base class that controls the workflow.

关键点是抽象类控制这个流程。

youdao