一天晚上，沈在就业中心告诉我说：“现在，美国梦已经破碎”，他的手指一边不安地叩击着桌子；他大都分都是讲国语，于女士帮助我翻译。
“Now the American Dream is broken,” Shen tells me one evening at the career center, his fingers drumming restlessly on the table; he speaks mostly in Mandarin, and Yu helps me translate.
沈现从事于用动物卵细胞克隆人类干细胞。
She focuses on the cloning human embryonic stem cells using animal eggs.
沈多纳的论文“行为传递的线上社交网络实验”于九月三日在科学期刊上发表。
Centola's paper on the subject, "the Spread of Behavior in an Online Social Network Experiment," is published in the Sept. 3 issue of the journal Science.
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