Drinking and driving is one of the most common causes of traffic accidents.

酒后驾车是导致交通事故最常见的原因之一。

《牛津词典》

It didn't come as a shock to learn that the fuel and cooling systems are the most common causes of breakdown.

不足为怪的是，燃料和冷却系统是故障的最常见原因。

《柯林斯英汉双解大词典》

There are many common causes.

有很多常见原因。

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These are common causes of accidental poisoning.

VOA: special.2009.08.11

Malaria causes a million deaths per year, and schistosomiasis, which is a parasitic disease, is unfortunately a common cause of death in the world.

疟疾每年造成一百万死亡,而血吸虫病,这是一种寄生虫病,不幸的是,它是世界上很常见的死因

耶鲁公开课 - 生物医学工程探索课程节选

The gel contains tenofovir. This is a common anti-retroviral drug used to treat people with HIV, the virus that causes AIDS.

VOA: special.2010.07.21

The most common causes of fires remained cigarettes and other smoking-related materials, followed by cooking.

BBC: Major rise in fire death numbers

Common causes include foods such as peanuts, tree nuts, sesame, fish, shellfish, dairy products and eggs.

BBC: Jo Swinson MP recovers from allergic reaction

Many drugs and especially alcohol are common causes of elevation of liver enzymes called aminotransferases.

CNN: Help me understand my cholesterol drugs