If something is sparable, it means it can be saved or not used up.
Sparable things are good because they can be kept for later.
Examples:
Water is sparable, so we can keep it for later.
Food is sparable, so we don't have to eat it all now.
Time is sparable, so we can use it wisely.
Money is sparable, so we can save it for something special.
Patience is sparable, so we can use it when we need it most.
Love is sparable, so we can share it with others.