I still remember the morning when he called me with the bad news 我记得一天早上,我们收到一个坏消息:他需要进行心脏手术。
2.
Background : a minority of patients having cardiac procedures ( 15 % to 20 % ) consume more than 80 % of the blood products transfused at operation 背景:进行心脏手术的少数病人( 15 20 % )术中输血时消耗了超过80 %的血液制品。