The first pair is different versions of the append() method.

第一对是另一版本的append()方法。

youdao

Creating the key pair is as simple as calling the create method.

创建密匙对很简单，只需调用create方法。

youdao

Creating the key pair is as simple as calling the create method.

创建密匙对很简单，只需调用create方法。

youdao