目的探讨并研究外科手术治疗重症非特异性溃疡性结肠炎的有效方法。
Moreover, you might get hit by an illness and then you could be in desperate trouble that you will die unless you get some kind of emergency care, which might be very expensive.还有,你可能染上重病,并且深陷绝境,以致你会因此而死去,除非你能获得异常昂贵的,紧急护理。