translation.en: So the first thing as I show you in the video is that we may be able to control the trajectory of a sailing boat better, or we may be able to never be in irons, so never facing the wind, we always can catch the wind from both sides.
translation.zh: 就像我在录像里给你们展示的一样，首先我要给你们看的是 我们也许可以更好的 控制帆船的行进轨道 或者我们再也不会背离风向 所以不会逆风行驶 我们总是可以两面都迎风