0 a grey, green, or yellow plant-like organism that grows on rocks, walls, and trees --
1 a type of organism that consists of an alga (= plant without leaves or roots) and a fungus (= plant without leaves, flowers, or color) growing together --
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.