如果机器人事先警告人们它可能会犯错，或者在弄得一团糟的时候向人们道歉，它应该能得到更多谅解。
People are more forgiving if the robot warns them first that it might make errors or apologizes when it screws up.
2008年，在《环境卫生日志》上发表的一篇论文题为《喝外婆》，它警告人们公共卫生所面临的威胁：甲醛将从墓地里渗漏到地下水里。
A paper published in the Journal of Environmental health in 2008, entitled "Drinking Grandma", warned about the public-health risks of formaldehyde leaking from cemeteries into groundwater.
警告人们简单的堆砌字符串，期望它成为结构良好的XML的做法是危险的，这一点上他是正确的。
He is right to warn people that carelessly slapping strings together and hoping they are well formed is a dangerous course.
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