0 If a letter is sent by certified mail, the person who receives it must sign their name to show that it has been received. --
1 mail for which proof of delivery is obtained --
2 → recorded delivery : --
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.