0 to show or prove that something exists or is true -- dowodzić
[ + that ] The survey clearly demonstrates that tourism can have positive benefits.
These problems demonstrate the importance of planning.
1 to show someone how to do something, or how something works -- demonstrować, pokazywać
She demonstrated how to use the new software.
2 to express or show that you have a feeling, quality, or ability -- wykazywać, demonstrować
3 to march or stand with a group of people to show that you disagree with or support someone or something -- demonstrować
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.
Możemy go ukończyć krok po kroku, niezależnie od tego, jak długa jest droga, i nie da się go ukończyć, niezależnie od tego, jak krótka jest droga, jeśli nawet nie zaznaczysz swojego śladu.