网上经营者虚张声势地要关了在线商店，说价格上涨会吓跑买家。
Operators bluff about closing their online businesses, saying price rises will scare buyers away.
研究人员让18位研究对象跟许多对手打扑克牌，对手有人也有机器。研究人员鼓励参与者虚张声势——如果成功了就会得到奖金。
Researchers had 18 subjects play poker against a variety of human and computer opponents. The participants were encouraged to bluff-they'd get money if their bluffs were successful.
过去在英国做过对撒谎者的研究，研究表明，人们在虚张声势或撒谎时会更频繁地挠口鼻。
Past studies of liars in the UK have also found that people scratch their nose and mouth more often if they are bluffing or telling lies.
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