The direct trading expense of futures contract trading includes the earnest money, every kinds of trading service charges and so on.

期货合同买卖的直接交易费用有保证金、各种交易手续费等。

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While mutual fund expense ratios and trading commissions may not seem like much, they add up over time.

一直以来，互惠基金的费用比率和交易现金总计也不多。

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Trading doesn't cost the manager anything, and it's not reported as an expense to the fund, but the resulting brokerage costs erode your return by up to 1% a year.

交易不会花费经理人什么代价，也不会计入到基金的交易费中，其结果就是经纪人的佣金使你的年收益率降低1%以上。

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ADRs aren't immune from currency swings, but they facilitate the trading of foreign equity in the U.S. Such shares spare American investors the expense of trading on foreign exchanges or the hassle of converting currencies.

FORBES: Foreign Stocks With An American Flavor

Overall, Ghodsi foresees ETFs with trading volume and lower expense ratios thriving amid the sea of funds.

FORBES: Intelligent Investing Panel

The case filed Friday by the Securities and Exchange Commission tells the tale of how eager a bank was to please a potentially lucrative trading client at the expense of other investors.

FORBES: Goldman Puts Spotlight Back on Wall Street's Conflicts of Interest