sit in one's own seat
请各位乘客坐在自己的座位上
Please remain seated in your seats.
— The Captain (2019)
请各位坐在自己的座位上
Please take your seats.
请乘客坐在自己的座位上
Please remain seated in your assigned seat.
请大家坐在自己的座位上
Everyone, please take your seats.