形容词
中文翻译：Unknown
同义词：
['speculative', 'speculatively', 'speculatively-like']
例句：
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1. The stock market is a speculative venture that can be risky.
股市是一个投机性的事业，可能会带来风险。
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2. He speculated on the future of the company and made some profitable investments.
他对公司的未来进行了投机性投资并取得了一些利润。
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3. The economist's speculation about the economy has been widely discussed in the media.
这位经济学家对经济的推测在媒体上引起了广泛的讨论。