This accounts for our reaction to seemingly simple innovations like plastic garbage bags and suitcases on wheels that make life more convenient:"How come nobody thought of that before?"

这就解释了我们对塑料垃圾袋和带轮行李箱等看似简单的发明的反应：“为什么以前没有人想到这一点？”

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This accounts for our reaction to seemingly simple innovations like plastic garbage bags and suitcases on wheels that make life more convenient: "How come nobody thought of that before?"

这就解释了为什么当我们看到像塑料垃圾袋和带轮行李箱这些让生活更方便且看似简单的发明时，我们的反应是：“为什么以前没有人想到这个？”

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Security guards of my school dorm regularly give plastic garbage bags.

学校的公寓管理员也会定期发放塑料制的垃圾袋。

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Before hitting the rocks, climbers donned plastic gloves and garbage bags and sent trucks, loaded with about 400 bags to the local dump.

VOA: standard.2010.04.01

Turtles choke on plastic bags and other garbage dumped into the ocean.

VOA: standard.2010.07.15

Her remains were stuffed in four plastic garbage bags and scattered along four blocks, police said.

WSJ: NY dismemberment defendant dons trash bag in court

It was loneliness that had led him to seek a conversation on a restaurant patio long past the lunch hour, as it was loneliness that had made her empty the refrigerator in the cottage and pack her belongings into five mega-sized black plastic garbage bags and drop them outside a Goodwill early one morning.

NEWYORKER: Alone