So we, by making a whole bunch of attempts, thousands of attempts, in that four-year time period, we invented the concepts of the airplanes that we fly today. And that's why they're so safe, as we gave it a lot of chance to find what's good.
このように何千回も挑戦することによって 現代の飛行機の形が出来上がり 試行錯誤を重ねたからこそ 現在のように安全になったのです