0 a very large city, especially one with more than 10 million people living in it --
1 a very large city that has a population of more than 10 million people and that is often made of two or more urban areas that have grown so much that they are connected: --
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.