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死亡是人类必须面对的现实,人们只能正视它,了解它,而无法回避它。世界卫生组织对2004年以来人类的主要死因进行了研究,推测在未来20年,有三大死亡可能性将日益
Death is a reality that mankind must face. People can only face it, understand it, and can not avoid it. WHO conducted a study on the major causes of humankind since 2004 and speculated that in the next 20 years there will be an increasing possibility of three major deaths