所有的宇宙航行都始终存在着失败和发生灾难的可能性。
Chances of failure and disaster are ever present in all space navigation.
这意味着“航行者”号可以携带着它本身重量许多倍的燃料升空。
This meant Voyager could lift and carry many times its weight in fuel.
船起航意味着它开始了某次航行旅程。
因为没有计划就意味着失败，没有方向的航行永远没有彼岸。
Because there is no plan means failure, sailing without direction without the other shore forever.
由于多暗礁，在着条河里航行很困难。
Navigation is difficult on this river because of the hide rock.
由于多暗礁，在着条河里航行很困难。
Navigation is difficult on this river because of the hide rock.
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