如果你已经过了35岁或者有遗传缺陷家庭病史，现在可以考虑做下产前诊断了。
It's time to consider the option of prenatal diagnostic testing if you're over 35 or have a family history of genetic defects.
并不意外的是，关于受大众喜爱的家庭安全系统具有潜在缺陷，你会发现有许多很有说服力的观点。
It isn't surprising that you'll find plenty of strong opinions about the potential vulnerabilities of popular home-security systems.
农业工人的家庭里有很多先天性缺陷的人，也有很多人患了癌症。
There are many cases of birth defects and cancer in the families of farmworkers.
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