短語詞組短語the aging of population 人口老齡化;老齡化;人口老化Aging society population 老齡化社會aging g population 老年人口aging chinese population 中國人口老齡化aging advanced population 老年人口高齡化With aging population 老年人口個案慣例aging g of population 人口老齡化country of aging population 老年型國家aging population society 老齡社會 返回 aging population