In this argument, the arguer cites a study showing that North Americans suffer from an amazingly higher rate of chronic fatigue and chronic depression than people living in Asia.

• 在本段论述中，论述者援引了一项研究来证明，北美洲人患慢性疲倦和慢性忧郁症的比例要比居住在亚洲的人令人惊讶地高。