macro-policy 基本例句 宏观政策 Internal and external factors resulted in the area change of villages. The external factors involve urban expansion, the increase in infrastructure land and the influence of macro-policy. 村庄规模的变动受内、外因的共同影响，城镇空间扩展和基础设施建设是主要的外因，内部建设用地变动是主要的内因。 magsci