买空卖空
❶fictitious bargain (or transactions);play the market;speculate
❷ bears and bulls;
(Bear（卖空）指对某项证券将来价格看跌，即凭空卖出，希望于交割之日低价补进以赚取差价利润。反之，Bull（买空）指对价格看涨，即时买进以备在交割日前高价卖出，从中获利)
买空卖空mǎi kōnɡ mài kōnɡ
指投资者乘价格将要上涨时买进，然后再卖出；乘价格将要下跌时就卖出，然后再买进。多用以指投机倒把，招摇撞骗等活动。speculate in stocks, play the market, buy and sell for naught, fictitious transactions