@ashishkjha They're going to improve ventilation this morning (the huge number of schools that didn't)?
@ashishkjha今天上午他们打算改善通风（大量学校没有这样做）？
@ashishkjha They're going to improve ventilation this morning (the huge number of schools that didn't)?
@ashishkjha今天上午他们打算改善通风（大量学校没有这样做）？