y girl, are you asleep Mommy brought you some food.""Didn't sleep."Ou Yan's long fingers tapped lightly on the keyboard a few times, then she closed her laptop, got up, and opened the door."Mom's worr... is already willing to lend a hand, the students are already very grateful. If the teacher doesn't take even a penny, then whether it's the student or the student's friends, they will all feel indebte...