At the ridiculous high end of the scale, however, is getting your cycling calories by piling up your plate with asparagus that has been flown by air from the other side of the world.

然而，如果将范围再扩大，那么骑车消耗的能量产生的二氧化碳就会在世界的其他角落以某种方式向大气排放，比如空运来的芦笋。