Definition: when you stop having or using one thing and start having or using another Level: A2
我已经告诉学校我们地址的变更。
I've told the school about our ___change of address.
这个国家需要更换政府。
This country needs a ___change of government.
更换班级的原因主要是老师。
The reason for the ___change of class was mainly the teacher.