有一种罕见的疾病叫作“特纳氏综合症”(Turner ' s Syndrome)。患有这种疾病的女性，性别基因(XX)缺失了一条染色体x，所以也被称为XO女孩。

There is a rare condition known as Turner's Syndrome where a genetic female (XX) is missing one of the X chromosomes and she is known as an XO girl.

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帕斯特纳克先生说生物仿制制药威胁到了现有的生物技术制药公司，如安进公司和基因泰克公司(现在已属瑞士制药巨头罗氏旗下)，他们的数十亿美元的销售目标现在都有风险。

Biosimilars threaten incumbent biotech firms such as Amgen and Genentech (now part of Roche, a Swiss drugs giant), which have billions of dollars of sales at risk, argues Mr Pasternak.

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