如题所述
人å£èé¾å
ageing of population; aged tendency of population
ä¾å¥
æå½äººå£èé¾åè¶å¿çå å§å¯¹ç¤¾ä¼å »èä¿éå¶åº¦çå¯æç»åå±å¸¦æ¥äºå¾å¤§çå²å»ã
The aggravating trend of aging population brings impact to the social Old-age system's sustainable development.
ageing of population; aged tendency of population
ä¾å¥
æå½äººå£èé¾åè¶å¿çå å§å¯¹ç¤¾ä¼å »èä¿éå¶åº¦çå¯æç»åå±å¸¦æ¥äºå¾å¤§çå²å»ã
The aggravating trend of aging population brings impact to the social Old-age system's sustainable development.
温馨提示:答案为网友推荐,仅供参考