Homicide is the leading cause of death among black men.

凶杀在黑人男子中是主要死因。

《柯林斯英汉双解大词典》

Smoking is the leading cause of lung cancer.

吸烟是肺癌的一个主导因素。

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Diabetes: Obesity is the leading cause of type 2 diabetes.

糖尿病：肥胖是产生2型糖尿病的主要原因。

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A new study says the leading cause of disability in older people in low and middle income countries is dementia.

VOA: special.2009.12.28

The researchers disagree with the World Health Organization which says blindness and other vision problems are the leading cause.

VOA: special.2009.12.28

The Centers for Disease Control and Prevention says heart disease is the leading cause of death in the United States.

VOA: special.2010.06.08

It is the leading cause of blindness in this country, in this age group by far.

CNN: Smoking quadruples risk for vision-stealing eye disease

These conditions are the leading cause of death worldwide with the exception of sub-Saharan Africa.

FORBES: Costs Of The 'Silent Pandemic'

The disease is the leading cause of death among people with HIV in South Africa.

BBC: Tuberculosis vaccine hopes dashed