主营业务收入利润率升至全年最高7.16%，并刷新了历史最高纪录。

Main business income margin rose to 7.16%, the annual maximum, and it set a record.

youdao

主营业务收入利润率升至全年最高7.16%，并刷新了历史最高纪录。

Main business income margin rose to 7.16%, the annual maximum, and it set a record.

youdao