0 careful spending of money, or using of food or other resources, so that one can save or have some left in reserve; economy -- economia
She is noted for her thrift, but her husband is very extravagant.
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.
Possiamo completarlo passo dopo passo, indipendentemente dalla lunghezza della strada, e non può essere completato, per quanto breve sia la strada, se non segni nemmeno la tua impronta.