Sasaki said a lot of questions remain.

佐佐木优香表示仍有很多问题尚待研究。

Hiroshi Sasaki apologized to Naomi Watanabe and the people who were offended.

佐佐木宏向渡边直美和被冒犯的人道歉。

Dr. Sasaki knew the first-night effect probably has something to do with how humans evolved.

佐佐木博士认为，第一晚效应可能与人类的进化方式有关。

Yuka Sasaki and her colleagues at Brown University set out to investigate the origins of this effect.

布朗大学的佐佐木优香和她的同事着手研究这种效应的起源。

Sasaki's resignation follows that of Yoshiro Mori who served as president of the Tokyo 2020 organizing committee. Mori stepped down last month over sexist remarks against women.

在佐佐木宏辞职前，担任2020年东京奥运会组委会主席的森喜朗上个月因针对女性的性别歧视言论辞职。

Dr. Sasaki found, as expected, the participants slept less well on their first night than they did on their second, taking more than twice as long to fall asleep and sleeping less overall.

佐佐木博士发现，与预期一样，参与者第一个晚上的睡眠质量不如第二个晚上，入睡时间是第二个晚上的两倍多，总体上睡眠时间也比第二个晚上少。