商业

Objective To analyze the sort constitution of congenital malformation in sick and disabled children and discuss the causes of teratogenesis and preventive measures.

文章摘要：目的分析病残儿童中先天畸形种类构成，讨论先天畸形的原因和预防措施。

I let them sit on my bench, I didn't object.

是我让他们坐在我的长椅上。