你這是假設4種情況的分布是一樣的， 而且男女的願意與否是相對獨立的， 這些假設都不成立
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2026 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
