Originally U.S. A person employed to demonstrate the merits, operation, use, etc., of a product to prospective buyers.
| 单词 | θ190905 |
| 释义 | society > communication > manifestation > showing to the sight > [noun] > practical display of operation or use of a product > one who (1) demonstrator1895 Originally U.S. A person employed to demonstrate the merits, operation, use, etc., of a product to prospective buyers. |
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