1、 Lines at the grocery store might become as obsolete as milkmen, if a new tag that seeks to replace bar codes becomes commonplace.
一旦这种新型标签取代条形码并渗入人们生活中，那么杂货店里条形码扫描线可要像送奶工一样“退居二线”了。
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2、 Home milk delivery has almost gone extinct in China now, also gone with it are the milkmen, who once delivered bottled fresh milk door-to-door.
如今，送奶到户的服务在中国已经基本上销声匿迹了，同样随之消失的还有送奶工，他们曾经挨家挨户地递送瓶装的新鲜牛奶。
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