形容词
中文翻译：有益的
同义词：
['profitable', 'advantageous', 'advantageous']
例句：
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1. The newpolicy is beneficial to the environment.
这项新政策对环境有益。
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2. This medicine is beneficial for treating colds.
这种药对治疗感冒有好处。
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3. The company's decision was beneficial to both parties involved.
公司的决策对双方都是有利的。