Most of them enter the market now and then. To be successful in the trading game, there are some rules to follow.

忽略那些突然出现的交易书本和时事通讯，所有的交易市场都分享和遵循着同样的交易规则。

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The main bank as a market also should follow the rules of market economy, and the depositor also should take the risk by their deposit.

银行作为一个市场主体同样要遵循市场的经济规律，存款人也同样要承担存款带来的风险。

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To do that, we must follow the market rules and make the optimal decision.

为获得最大的利益，必须在遵循一定市场规则前提下做出最优化的决策。

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Further, ETFs that trade futures follow mark-to-market rules at year-end.

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The exchange is a self-regulating organization, meaning that--headed by its 22 directors--it is charged with ensuring that its 365 member firms and 2, 800 listed companies follow the rules designed to keep the stock market fair and competitive.

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What keeps Ebay from becoming a stock market is government regulation: Most countries like their securities markets to follow rules.

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