trades
[treɪdz]
n.
贸易（trade的名词复数 ）;
行业;
顾客;
买卖;
v.
交易，经商（ trade的第三人称单数 ）;
交换;
经营…交易，做…的买卖;
例句:
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She is a patron of small businesses and trades.
她是几个小企业和小手工艺者的资助人。
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Many brokers were charged with cheating customers in commodity trades.
许多经纪人被指控在商品交易中欺骗顾客。
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There are 73 unions affiliated to the Trades Union Congress.
共有73家工会隶属于英国职工大会。
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Bankruptcies are most frequent in the most hazardous trades.
来自Adam Smith
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Instead, market makers and brokers facilitate ETF trades.
来自WSJ
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The devil is in the details of these trades.
来自SA