摘要
莱特兄弟热衷申请专利,忙着把飞机卖给各国军队赚钱;而杜蒙却什么专利都没有,最后因为看到自己的发明成为杀人工具愤而自杀。
The Wright brothers were bound up in applying for the patent and busy with selling the planes to military forces of various countries while Dumont had no patent but to suicide in anger for his invention turned into killing machine as a result.