1Nanjing topped the list of the happiest cities for education in china in 2009.

问题描述:

1Nanjing topped the list of the happiest cities for education in china in 2009.
2 The students are confused about the confusing problem.

南京位于2009中国教育最快乐城市表的榜首.
学生们都糊涂这个令人困惑的问题.