老了机能变差了,不能再维持最佳了,但不表示标准变了,标准还是一样的,只是人老了难以达到
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