0 a small machine that records information about an aircraft during its flight, used to discover the cause of an accident: --
2 a system or process that uses information to produce a particular set of results, but that works in a way that is secret or difficult to understand: --
3 a piece of electronic equipment used to record and store information: --
4 a piece of equipment on an aircraft that records the plane's movements and positions during a flight, and which can give important information if the plane has an accident: --
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.