translation.en: They are tremendously fuel efficient to bring to market, a fraction of the fuel cost of say, shrimp, and at the very top of the carbon efficiency scale.
translation.zh: 让这种鱼上市的燃油经济性极高， 比如和虾比，燃油消耗只是个零头， 而且它在碳效率上也是在最前列。