While warnings are often appropriate and necessary--the dangers of drug interactions,for example--and many are required
问题描述：
While warnings are often appropriate and necessary--the dangers of drug interactions,for example--and many are required by state or federal regulations,it isn"t clear that they actually protect the manufacturers and sellers from liability if a customer is injured.
答
尽管警告常常是适当而且必须的——比如对于药物相互作用的危险,例如,许多是州或联邦法规所要求的,不,它们是否确能保护制造商和销售商的责任如果顾客受伤.