1·Unemployment is a major cause of poverty.
失业是贫困的主要原因。
—— 《牛津词典》
2·Faulty wiring is the major cause of house fires.
错误的供电线路是房屋火灾的主要原因。
—— 《柯林斯英汉双解大词典》
3·Money is a major cause of strife in many marriages.
钱在许多婚姻中是导致冲突的一个主要原因。
—— 《柯林斯英汉双解大词典》
4·Traffic accidents are the major cause of death among travelers.
交通事故是旅行者死亡的主要原因。
5·Texting while driving was listed as a major cause of road deaths among young Americans back in 2013.
早在2013年，开车时发短信就已上榜成为导致美国年轻人因交通事故死亡的主要原因。
6·One major cause of this problem is the confusion over food expiration labels, which are currently not regulated by the government.
造成问题的一大原因是食物过期标签混乱，目前不受政府监管。
7·The researchers found that telepressure is a major cause of stress at work, which over time contributes to physical and mental burnout.
研究人员发现，远程压力是工作压力的一个主要来源，久而久之会导致身心疲惫。
8·Plantings of cotton bioengineered to produce its own insecticide against bollworms, a major cause of crop failure, sustained little bollworm damage until this year.
经过生物工程改造的棉花种植场可以生产自己的抗棉铃虫杀虫剂，而棉铃虫是造成农作物歉收的主要原因，直到今年，棉铃虫的危害都很小。
9·This is another major cause of schedule slippage.
这是进度拖沓的另一个重要原因。
10·Metastases are the major cause of death from cancer.
转移是癌症致死的主要原因。