The government keeps a certain stock of money and grain for emergency needs.

国家对钱粮都有一定的库存，以备不时之需。

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The reason for what a certain stock does to-day may not be known for two or three days, or weeks,or months.

原因是某一个特定的股票的变动不可能两三天或者几个星期里，或者几个月内就可以弄清楚的。

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The reason for what a certain stock does to-day may not be known for two or three days, or weeks, or months.

今天股票涨跌的原因究竟如何，用两三天，几个星期，甚至是几个月的时间，你可能也弄不明白。

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In the Basel I there were Tier I capital requirements and they defined Tier I capital as capital in a certain form -it's stockholders equity plus preferred stock.

第一次巴塞尔协议提出了一级资本要求,他们将一级资本定义为,一种特定形式的资本金,就是股东权益加上优先股

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Lee told the agents that S.A.C. covered up insider trading by having different portfolio managers buy and sell a certain stock.

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Or consider a broker who e-mails someone a question about the trading volume at which a certain stock would be likely to rise (or fall).

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All options do are give the recipient the right to buy stock at a certain price per share within a certain period of time.

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