I can recognize much more faces than I can describe/draw. It is easier to read foreign language than to write it (active vs passive vocabulary). It is the same

I can recognize much more faces than I can describe/draw. It is easier to read foreign language than to write it (active vs passive vocabulary). It is the same with googling, looking for a solution on StackOverflow: understanding/judging whether the solution is good may be faster than constructing it yourself.