0 an enzyme (= a chemical substance made by living cells) in saliva, plants, and in the pancreas that helps change starch into sugar --
1 an enzyme (= substance that causes chemical change) that helps to change starch (= substance found in plants) into sugar --
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.