Daughter teaches mother how to use the phone. A young woman shows her old mother where to click on a smartphone. The woman called on the phone. The family is sitting in a comfortable room. 女儿教母亲如何使用电话。一个年轻的女人告诉她的老母亲在哪里可以用智能手机点击。那个女人打电话来。这家人坐在一个舒适的房间里.4k