0 computer programs that are supplied or developed for a particular purpose by a different company from the one that supplied or developed the existing programs on a particular system: --
They handle their accounting by mixing proprietary and third-party software.
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.
We kunnen het stap voor stap voltooien, hoe lang de weg ook is en het kan niet worden voltooid, hoe kort de weg ook is, als je niet eens je voetafdruk markeert.