1. While Katie got along with her roommate, Sarah was miserable.
    卡蒂与室友相处融洽，但萨拉却十分不快。

2. During this time, Sarah kept running across the hall to seek comfort from Katie.
    这段时间里，萨拉不断跑到过道对面卡蒂那儿寻求慰藉。

3. Identical twins Katie and Sarah Monahan arrived at Pennsylvania's Gettysburg College last year determined to strike out on independent paths.
    同卵双胞胎卡蒂和萨拉·莫纳汉去年来到宾夕法尼亚的葛底斯堡大学，决心闯出一条独立之路。