Mmmmmmmmm! Programming the FMC with winds etc, fly faster to dump the height, speed brake and if you really are in a mess get the gear out
Well, yeah....!
But not quite that easy during your early days, especially if it's your first jet job. I remember one of the STAR's in MUC has some huge S-bends - the potential distance to the threshold could be around 50nm less if they're feeling generous! At which point my beautifully planned descent using VNAV guidance from the FMS went t1ts up