These houses were built by property speculators.

这些房屋是由地产投机商建造的。

Would he be what he is if he hadn't speculated on the stock of exchange?

如果不搞证券投机买卖, 他会成为今天这样子吗?

The boss has put all his money into that speculative enterprise.

这老板把他的全部财产都投投机事业中。

Some speculators have tried to corner wheat.

有几投机者曾试图囤积小麦。

He ventured his fortune in a speculation.

他拿他的宗财产做投机生意。

He was accused of commercial opportunism.

人们指责他在商业上投机取巧。

He ventured on a rash speculation.

他进行鲁莽的投机。

A lucky speculation in the stock market put him on easy street for the rest of his life.

票市场上一次幸运的投机使他余生过着舒适的生活。

He was ruined by speculation.

他因做投机生意而破产。

It's dangerous to speculate.

做投机买卖是很危险的。

CONFRONTED by a growing army of speculators, on June 11th the Reserve Bank of New Zealand decided enough was enough—and let rip with the peashooter.

面临着不断壮的投机，西兰储备银行于6月11日决定已经忍无可忍了——遂拿出玩具枪来乱扫一通。

If the price efficiency underlying index after the listing of 50ETF isn’t improved, liquidity traders will sustain losses with information traders, speculator and arbitrager can’t profit.

如果50ETF上市后上证50指数市场的定价效率没有提高，么，一方面不知情交易者在与知情交易者进行交易时就会遭受损失；另一方面投机者和套利者在进行ETF套利时也往往不能获得利润，甚至可能发生亏损。

It is the reason why the wildcatter, the independent oilman whose test drillings might come up dry 20 times before gushing in the end, is an enduring Texas symbol.

这就是为什么些在投机商，些体石油商在石油喷发前可能要试钻探多达二十次的原因，这也是德州一直以来的标志。