替我看看这道作文题

margland

.Scientists must typically work 60 to 80 hours a week if they hope to further their career; consequently, good and affordable all-day child care must be made available to both male and female scientists if they are to advance in their fields. Moreover, requirements for career advancement must be made more flexible so that preschool-age children can spend a significant portion of each day with a parent.
有什麽漏洞吗，我太菜看不出来哦[em27]

nan

also from sunyuan's green book aa 60
1) first of all, it is highly possible that a scientist may have a spouse who is not a scientist, does not work overtime or simply stays at home when their child is still young.
2) in addition, the arguer fails to consider the possibility that a scientist may be childless or may have children who are old enough to take care of themselves.
3) finally, the argument is self-contradictory in recommending both all-day child care and flexible child care.