Paper-cutting in China can be geographically divided into the（）style and the（）style.（请按答案首字母先后顺序填写，两个答案之间空一格，不加标点符号）
Paper-cutting in China can be geographically divided into the（）style and the（）style.（请按答案首字母先后顺序填写，两个答案之间空一格，不加标点符号）
正确答案：northern southern