The barcoded book is stored in a tray, which also contains a barcode and the trays are placed on the shelves, which are again barcoded.
有条形码的书籍存放在托盘，托盘也包含条形码，放置在搁架上，再编条形码。
2
UFO: Besides the function that play, can regard as the fruit tray on long-distance car, dish of the bolster plate that cuts dish, book to write, bowl, small washbasin, Cheng Shui implement.
飞碟：除了玩的功能之外，可当作长途车上的水果托盘，切菜、书写的垫板、碗碟、小脸盆、盛水器。
3
Soon I was sitting comfortably with a tray full of food before me and a book at my side.