translation.en: You are paid to pick efficiency within a size class, in a way equivalent to looking at all fourteen years of life-cycle fuel savings rather than just the first two or three.
translation.zh: 同一车型，只需在选择使用效率时付账， 在某种程度上，相当于考虑节省整整14年生命周期的燃料 而不只是两三年的