自助收银台就像一个投影仪，当托盘放在扫描仪下方，眼前的屏幕就出现了商品的照片，点击“开始扫描”，托盘里的商品立刻被标出了“葡式蛋挞老婆饼”等名字。
zìzhù shōuyíntái jiù xiàng yīgē tóuyǐngyí ，dāng tuōpán fàng zài sǎomiáoyí xiàfāng ，yǎnqián de píngmù jiù chūxiàn le shāngpǐn de zhàopiàn ，diǎnjī “kāishǐ sǎomiáo ”，tuōpán lǐ de shāngpǐn lìkè bèi biāochū le “pǔshì dàntǎ lǎopóbǐng ”děng míngzi 。
The self service checkout counter was like a projector, when the tray was put under the scanner, the screen on the checkout showed pictures of pastries, and when you click begin scan, photos of the pastries on the tray “Portuguese egg tart”, “old wife’s cake” etc appeared on the screen