Doctors say prevention is better than cure.这句英文的中文含义是什么?（一个成语）

Doctors say d___ much water is good. Doctors say people should keep o_____________填词 Doctors say it is good for us 同义句转换 Doctors say it___ ___ for us. doctors say that everyone get tired sometimes 改错 Doctors say it good for us.=Doctors say it __ __for us.(同意句转换)DOCTORS SAY IT IS GOOD FOR US.DOCTORS SAY IT __ __ FOR US. Doctors say it is good for us.=Doctors say it ______ for us.（横线上填两个词） Doctors say it is good for us.(同义句转换）Doctors say it __ __ for us. Four out of five doctors say that dog hair is bad for your lungs.其中Four out of five doctors Four out of five doctors say that dog hair is bad for your lungs.意思 however,doctors now say that people should laugh and smile more often.翻译 Some American doctors say taht 50% of illness have something to do with polluted indoor air.翻译谢 12.Doctors say ________ (prevent) is better than cure .这个空是不是需要填一个名词呢?请详解, Doctors say prevention is better than cure.这句英文的中文含义是什么?（一个成语） women doctors还是woman doctors men doctors还是man doctors 医生说现在孩子承受太大的压力 用英语怎么说doctors say many ____ today are _____ too much ______. say Say