自带袋子可以直接说“不用袋子，我自己带了”，收银员通常会直接把小票给你。
If you bring your own bag, you can directly say 'No bag, I brought my own,' and the cashier will usually just give you the receipt.
If you bring your own bag, you can directly say 'No bag, I brought my own,' and the cashier will usually just give you the receipt.