史考特：这证明了一粒老鼠屎，坏了一锅粥。现在我们每晚都必须带通行证还要签到。
Scott: It just goes to show that one rotten apple spoils the barrel. Now we all have to carry a pass and sign in every evening.
史提芬：这个周末我们应该带同事们去庆祝一下。
STEVEN: we should take our coworkers out to celebrate this weekend.
方法采用外周血淋巴细胞培养和染色体G显带分析，对612对有异常孕产史的夫妇进行染色体检查。
Methods Chromosomal analysis was made in 612 married couples with a history of abnormal pregnancy outcome by peripheral lymphocytes culture and G-banding.
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