cause

Sugar is a major cause of tooth decay.

糖是导致蛀牙的主要原因。

The authorities are investigating the cause of the fire.

当局正在调查起火原因。

The heavy rain was the main cause of the traffic accident.

大雨是这起交通事故的主要原因。

The documentary explores the causes and consequences of domestic violence.

这部纪录片探讨了家庭暴力的原因和后果。

The police have launched a thorough investigation into the cause of the fire.

警方已对起火原因展开彻底调查。

The government set up a commission to investigate the cause of the economic crisis.

政府成立了一个委员会来调查经济危机的原因。

The police are investigating the cause of the accident.

警方正在调查事故的原因。

The cause of the problem was apparent to everyone.

问题的起因对每个人来说都是显而易见的。

The exact cause of the fire remains unknown.

火灾的确切原因仍然未知。