空头(of the stock exchange)bear; shortseller;oversold position
～交易bear transaction/～期权short option/～市场bear market /～头寸short position /～账户bear account;short account/～支票❶dud (or rubber)check; bad check; rubber check; unpayable check; dishonored check;fictitious bill; not sufficient fund check (NSF check)
❷empty promise;lip service |