名词
中文翻译：Unknown
同义词：
['trader', 'trader', 'trader例句：1. He is an in-and-out trader who can adapt to different markets.（他是一个能适应不同市场的来回交易员。）2. She works as an in-and-out trader for a large trading firm.（她为一家大型交易公司做来回交易员的工作。）']
例句：
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1. He is an in-and-out trader who can adapt to different markets.
他是一个能适应不同市场的来回交易员。
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2. She works as an in-and-out trader for a large trading firm.
她为一家大型交易公司做来回交易员的工作。
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3. The in-and-out trader was able to make a quick profit from the market fluctuations.
这位来回交易员能够从市场的波动中迅速获利。