Boys and girls,
We are going to climb mountains on Saturday. Please wear proper clothes and shoes. We will meet at the school gate at 7 o'clock. Please arrive on time!
Mrs Zhang
同学们,
我们周六要去爬山,请大家穿上方便活动的衣服和鞋子.那天7点我们会在校门口集合,请大家务必准时到场!
张老师
（通知一般都会有时间、地点和事情,留言人填老师比较有可信度）