名词
中文翻译：Unknown
同义词：
['effective', 'persuasive', 'influential', 'impactful']
例句：
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1. The new policy is expected to be effective in reducing pollution.
预计新政策将有效减少污染。
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2. The speaker's persuasive arguments won the audience over.
演讲者有说服力的观点赢得了听众的支持。
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3. The movie had a powerful influence on society.
这部电影对社会产生了深远的影响。