[日本語がまだありません。書く暇が出来たら書きます。^^;] If you walk into a place that serves food and see one of these, it means you have to pay for your food first. Insert your money and choose what you want to eat - the name of the dishes are labeled on the buttons. A ticket will come out which you can either eat (pointless and wont fill you up) or hand to the guy/gal in the shop who will exchange it for some real food.
