Can you do me a favor? I hurt my foot.Is it bleeding?No but I can’t walk.Can you take me to the hospital?Of course.please give me a plaster.All right.Oh sorry nothing in the bag.Can you help me buy a plaster thank you.sure Where is the supermarket nearby?Supermarket?plaster isn’t in the supermarket.you should going to medicine shop. The Chinese medicine shop on the across the street.You will buy a plaster in the Chinese medicine shop.