[, ] () a situation that cannot last in which prices rise very quickly and many people make a lot of money 泡影，泡沫（价格迅速上涨而人们收入很高的情形）◆the bubble sectors of technology, media and telecommunications 技术、媒体和电信等泡沫部门◆They went out of business when the Internet bubble burst(= ended, causing people to lose a lot of money). 互联网泡沫破灭时，他们停业了。