聪明人从旁人的错误中吸取教训，愚笨者则从自身的错误中吸取教训。
当我是肉食者时，我从没有想过素食的人是在做愚笨的事情。
When I was a meat eater, I never think vegetarians are doing something stupid.
另外，监管者还经常停滞在愚笨电网的年代。
Moreover, regulators are often still stuck in the era of the dumb grid.
然而人，只是个旁观者，愚笨地认为他就是参与者。
But man, who is an onlooker merely, foolishly thinks it is he.
然而人，只是个旁观者，愚笨地认为他就是参与者。
But man, who is an onlooker merely, foolishly thinks it is he.
应用推荐