translation.en: But, in any event, if you can burn it with the same efficiency -- because it's external combustion -- as your kitchen stove, if you can burn any fuel, it turns out to be pretty neat.
translation.zh: 可是，在任何时候，它都会以同样速度燃烧 因为它是在外部燃烧，跟你家的炉灶一样 假如任何燃料都可使用，那么燃烧后都是干净的