动词短语
中文翻译：参与投机猜测
同义词：
['investigate', 'speculate', 'guess例句：1. The company is engaged in speculation about the future of its products.（该公司正在对其产品未来进行投机猜测。）']
例句：
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1. The company is engaged in speculation about the future of its products.
该公司正在对其产品未来进行投机猜测。
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2. He engaged in speculation about the stock market's potential for growth.
他进行了对股市增长潜力的投机猜测。
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3. The economist engaged in speculation about the economic recovery.
这位经济学家进行了对经济复苏的投机猜测。