What's the purpose of six cups?

Use, purpose, term: use God. Look at the purpose of this thing and then decide what to use.

1, the water cup is used to hold water, for daily use and for parents.

2, the water cup is a commodity, and doing this water cup business depends on talent.

So is real estate.

Meet your parents for the purpose of living.

For the purpose of doing business, look at money.

You can't just "take care of your parents"