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How the disease started is one of medicine's great mysteries.这种病的起因是医学上的一大未解之谜。The immediate flashpoint was Wednesday's big rally in the city centre.冲突的直接起因是周三在市中心的大型集会。The accident happened when her car slid on a patch of ice.这场事故的起因是她的汽车在冰上打滑。What really underlies most heart disease?大多数心脏病的真正起因是什么呢？What are the causes of the crisis?危机的起因是什么？The causes of the illness are still not fully understood.人们尚未彻底搞清楚这种疾病的起因是什么。The confusion was caused when two numbers were accidentally transposed by someone in the Social Security office.这场混乱的起因是一个社会保障部门的职员无意中把两个数字调换了位置。What was the origin of the quarrel?这场争吵的起因是什么？ The real villains are the companies that get their products made by low-paid workers.问题的真正起因是那些雇用低工资的工人生产其产品的公司。 |