Any teacher will tell you that students learn at different rates.
任何老师都知道学生学习有快有慢。
She spent most of her working life as a teacher.
她一生中大部分工作时间都当教师。
Some teachers find it difficult to keep their classes in order.
有些教师觉得难以维持课堂秩序。
The teacher assigned each of the children a different task.
老师给每个儿童都布置了不同的作业。
There is a growing need for qualified teachers of Business English.
对合格的商务英语教师的需求日益增长。