一般认为这一理论是吉列公司（Gillette）创始人提出的；然而，吉列公司是等到专利期满之后，才开始出售廉价剃刀。
The founder of Gillette (PG) is often credited with this idea, but that company didn't start selling razors cheaply until after its patents had run out.
一般认为这一理论是吉列公司（Gillette）创始人提出的；然而，吉列公司是等到专利期满之后，才开始出售廉价剃刀。
The founder of Gillette (PG) is often credited with this idea, but that company didn't start selling razors cheaply until after its patents had run out.
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