Backward areas短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 落后地区 If the backward/span> areas select industries based on new- technologies, the backward areas are possible to succeed in economic development and to catch up with or surpass the developed areas. 若落后地区根据全新技术选择产业，则有可能成功发展经济和实现赶超。 link-e