| 词汇 | snake-oil salesman |
| 词源 | snake-oil salesman. A salesman who sells medicine of use- less value for any illness. In his book The Toadstool Millionaire (1961), historian Dr. James Harry Young described many of these “medical messiahs.” One often overlooked is, as he adver- tised himself, “Dr. William A. Rockefeller, The Celebrated Can- cer Specialist.” See quack. |
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