死亡总数

• The world heart federation says heart disease and stroke are commonly believed to be diseases of the wealthy , but studies show 80 percent of all deaths from these chronic illnesses occur in low and middle - income countries
  世界心脏病联盟表示，人们一般认为心脏病，中风是有钱人才会患的疾病，但是研究却显示这类慢性疾病的死亡总数的80 %来自中低收入国家。