形容词
中文翻译：Unknown
同义词：
['speculative', 'speculatively', 'speculatively-investment-wise']
例句：
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1. The stock market is notorious for its speculative trading.
股市以其投机交易而臭名昭著。
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2.The company's strategy was based on speculation about the future demand.
该公司的战略是基于对未来需求的猜测。
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3. Investors should be cautious about speculative investments that promise high returns without due diligence.
投资者应该对那些承诺高回报但没有尽职调查的投机性投资保持谨慎。