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