Each row has a column that defines a differentiating parameter, such as a user name, label or other identifier.

每行均有一个定义区别性参数的列，如用户名、标签或其他标识符。

youdao

Each row has a column that defines a differentiating parameter, such as a user name, label or other identifier.

每行均有一个定义区别性参数的列，如用户名、标签或其他标识符。

youdao