名词
中文翻译：方向双重性原则
同义词：
['directional principle', "dual directionality例句：1. The organization's mission is to promote sustainable development and protect the environment.（该组织的 mission 是促进可持续发展和保护环境。）"]
例句：
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1. The organization's mission is to promote sustainable development and protect the environment.
该组织的 mission 是促进可持续发展和保护环境。
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2.The researcher proposed a new method for solving complex problems.
研究者提出了解决复杂问题的新方法。
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3. The company has implemented a system of duality that balances efficiency and fairness.
该公司实施了一套平衡效率和公平的制度。