Does the supermarket pick up the goods from the warehouse or directly from the shelves?

Put it on the shelf. Any goods sold need to go through the supermarket entry system, and the goods in the warehouse are not entered, so they can't be sold as commodities, so the supermarket take-out is taken directly from the shelves. Supermarket refers to a store where goods are publicly displayed, customers choose their own goods and queue up for cashier settlement, mainly engaged in fresh food, fruits and daily necessities. Self-help shopping, unified cashier settlement retail enterprises.