Back then , stocks were frothier than real businesses , no doubt .
当时，股市毫无疑问，比实业火得多。
Short-selling shares in a trough , thus deepening the trough , and betting that frothy shares will become frothier .
在谷底卖空股票，从而造成股票继续下跌，并押注于充满泡沫的股票变得泡沫更丰富。
frothierfrothierfrothier