但是在承诺存款者高额利息后，庞奇从未真的交易邮政票据，因为那个在大规模投机中太难于操纵了。
But after offering depositors high interest rates, Ponzi never really dealt in postal coupons, which turned out to be too unwieldy for large-scale speculation.
很多基本数据的估算都必然存在一定的投机性，比如，一旦太阳能大规模应用于日常发电，它的成本究竟会是多少，这无人知晓。
Many of the underlying estimates are necessarily somewhat speculative; nobody really knows, for instance, what solar power will cost once it finally becomes a large-scale proposition.
十年前的今天，随着投机资金开始攻击泰铢，全球一场大规模金融危机在曼谷爆发。
Ten years ago today the world's last major financial crisis began in Bangkok with speculative attacks on the Thai baht.
应用推荐