名词
中文翻译：投资证券
同义词：
['投资证券、投资证券产品、投资证券工具']
例句：
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1.The company's investment in the new technology was a significant factor in its success.
该公司对新技术的投资是其成功的重要因素。
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2.The investment securities market is highly volatile, with prices fluctuating daily.
投资证券市场高度波动，价格每天波动。
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3. Investors are always looking for ways to diversify their portfolios, including investing in investment securities.
投资者总是在寻找方法来多样化他们的投资组合，包括投资于投资证券。