0 present participle of double-book --
1 to promise the same room, seat, ticket, etc. to more than one person or group: --
The room was double-booked so they had to give us a different one.
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.