Without learning about the past ( and present ) horrors there is no way to ensure future humanity .
Without learning about the past ( and present ) horrors , there is no way to ensure future humanity .
Without learning about the past ( and present ) horrors , there is no way to ensure future humanity .
更新以删除语法错误: Without learning about the past ( and present ) horrors there is no way to ensure future humanity . 输出: