0 a hormone (= a chemical made in the body) that controls feelings of hunger and the way the body stores fat: --
The identification of the hormone leptin transformed obesity research.
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.