Each attribute is identified by an integer key (zero, in the case of the buddy list) so that you can know what the attribute is supposed to represent.

每个属性通过一个整数键标识(好友列表的整数键为0)，这样您就可以知道应当显示哪个属性。

youdao

Each attribute is identified by an integer key (zero, in the case of the buddy list) so that you can know what the attribute is supposed to represent.

每个属性通过一个整数键标识(好友列表的整数键为0)，这样您就可以知道应当显示哪个属性。

youdao