A doctor,who can give us suggestions about body health,cure the injury of our own,and even save our life,is our best friend.From the personal perspective,i have a thought that the doctor is the marvelous man around the world.Why?Because as a doctor,they always take a correct attitude towards their Jobs and devote themselves into it without extra fee.But every coins have two sides,there are something terrible of the occupation,doctor.For what?For their desire about money,power and ect.So,I hope every doctor can do their best to up to the occupation,and also i hope them not to harm every patients.（应该会有语法错误）