And if we take just three of them — laparoscopic surgery, epidurals, and cranial drilling — these procedures account for over 30,000 complications every year in this country alone.
如果我们只算上其中的三种-- 腹腔镜手术，硬脑膜外麻醉和颅钻-- 这些过程导单单在这个国家 每年就造成了超过 30,000 起并发症。