标题：The Tupperware Trap

The company’s bankruptcy filing is a reminder that being first isn’t always enough.

正文：In the 1940s, a man named Earl Tupper invented a product that would transform how Americans store their food. Women started selling his airtight plastic containers, dubbed “Tupperware,” to their friends and neighbors. Soon, the product was everywhere—but by the 1980s, once Tupperware’s patents started to expire, so were the copycats. This week, after years of struggling to keep up with competitors, the company behind Tupperware filed for bankruptcy.

知识点：airtight adj.

not allowing air to get in or out密封的；不透气的

Store the cake in an airtight container.把蛋糕存放在密封容器里。

an airtight alibi (= one that cannot be proved to be false) 无懈可击的不在犯罪现场的证据

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