If you cannot count, you cannot trade.

如果你不会算术，你就不会交易。

youdao

You know but cannot see the 2, 752 men, women and children who died at the World Trade Centre on September 11, 2001.

你知道在2001年9月11日那天，有2752个男人、女人和孩子葬身于世贸双塔，但是你却看不见他们。

youdao

When you feel a surge of confidence in a new trade, it is hard to think of the downside risk, but if you don't do it, you cannot protect yourself.

如果你对新交易感觉很自信，很难想到下跌的风险，但如果你想不到，你就不能保护自己。

youdao

Keep in mind that you cannot trade or manage a stock portfolio between sound bites on financial TV.

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You cannot trade weather, so the next best thing is to trade something that behaves very like it: gas (as it happens, gas prices, which according to Enron are closely correlated with temperature).

ECONOMIST: Buying a financial umbrella

The basic point is that you just cannot mix free trade and price fixing.

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