The clerk swipes the food over the scanner. The price pops up on the screen. How did the computer get so smart?

商店的记账员把食物擦过扫描器。食品的价格就在屏幕上弹出了。计算器怎么会计算得如此精准？

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The clerk swipes the food over the scanner. The price pops up on the screen. How did the computer get so smart?

商店的记账员把食物擦过扫描器。食品的价格就在屏幕上弹出了。计算器怎么会计算得如此精准？

youdao