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
2
underestimate the real value or ability of
双语例句
1
When the market weakened in summer 2008, they soldshort stocks of financially weak companies.
当市场削弱2008年夏天，他们卖空股票的经济薄弱的公司。
2
The biggest Banks each have hundreds of billions of dollars of such debt, including overnight loans from other Banks, short-term paper sold to money-market funds and bonds held by pension funds.