translation.en: We just took a simple sailing boat and we tried to pull something long and heavy, but as we tacked back and forth, what we lost was two things: we were losing pulling power and direction.
translation.zh: 我们只是拿一艘简单的帆船 然后设法让它拖着一些又长又重的东西 但当我们来回穿梭的时候 我们无法保持两件事 我们失去了拉动力和方向