undeveloped countries

• 未开发国家

undeveloped countries的用法和样例：

例句

1. If the developing countries attempt to conduct fiscal decentralization without improving their political and legal system, they might suffer from such decentralization.
   因此开发中国家若要以已开发国家为标竿而实施财政分权政策，在未健全政治和法律等社会制度前，可能未蒙其利先受其害。