translation.en: My company has spent 35 years and many millions of dollars taking that rotary engine, which was invented in the late '50s, and getting it to the point that we get over two horsepower per pound, reliably, and critical.
translation.zh: 我的公司花了35年 和数百万美元来研究旋转引擎 把这个50年代末发明的东西改造成我们需要的 能够提供超过2马力/磅，可靠的引擎。