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English to English verb
| 1 |
sell securities or commodities or foreign currency that is not actually owned by the seller, who hopes to cover (buy back) the sold items at a lower price and thus to earn a profit |  | source: wordnet30
| 2 |
underestimate the real value or ability of | | Example: Don't sell your students short--they are just shy and don't show off their knowledge
source: wordnet30
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