名词
中文翻译：Unknown
同义词：
['trader', 'merchant', 'speculator']
例句：
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1. He is a wheeler-dealer who makes his living by buying and selling stocks.
他是一个通过买卖股票谋生的兜售者。
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2. The wheeler-dealer was caught red-handed in the act of cheating customers.
这个兜售者被当场抓住，正在欺骗顾客。
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3. The wheeler-dealer had to pay a hefty fine for his illegal activities.
这个兜售者因非法活动不得不支付一大笔罚款。