1, McDonald's Restaurant: You can buy apple juice in McDonald's Restaurant. Tell the waiter to order apple juice when ordering, and he will be ready.
2, McDonald's takeaway: If you don't want to go to the restaurant, you can choose to order food on the McDonald's takeaway platform. On the take-away platform, you can choose apple juice as a drink and carry it with you when delivering.
3. McDonald's vending machines: Some McDonald's restaurants have vending machines where you can buy apple juice. Just put paper money or coins into the machine, choose apple juice, and then take out the drink.