对此我有过经验(《素质教育在美国》有详细描述，恕不赘言)。

I've had this experience before (" Quality Education in America "contains a detailed description if you are interested.)

youdao

对此我有过经验(《素质教育在美国》有详细描述，恕不赘言)。

I've had this experience before (" Quality Education in America "contains a detailed description if you are interested.)

youdao