日本老年化是在成為發達國家之後，日本掌握大量的核心技術，而中國未福先老，很可能陷入中等收入陷阱。
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
