输出端固定：可以控制输入数据格式，但输出数据必须采用您不能控制的特定格式。

Output is fixed: you can control the input data format but must output data in a specific format, over which you have no control.

youdao

输出端固定：可以控制输入数据格式，但输出数据必须采用您不能控制的特定格式。

Output is fixed: you can control the input data format but must output data in a specific format, over which you have no control.

youdao