0 a small railroad, esp. in an amusement park, with open cars that travel quickly along a steep, curved track that goes up and down over and over --
an emotional roller coaster
1 a situation in which prices, rates, etc. keep going up and down by large amounts very quickly: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.