形容词
中文翻译：有效的
同义词：
['efficient', 'practical', "productive例句：1. This new product is effective in reducing pollution.（这款新产品能有效减少污染。）2. The manager's suggestion was very effective in solving the problem.（经理的建议非常有效地解决了这个问题。）"]
例句：
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1. This new product is effective in reducing pollution.
这款新产品能有效减少污染。
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2. The manager's suggestion was very effective in solving the problem.
经理的建议非常有效地解决了这个问题。
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3. The new policy will be effective in improving public transportation.
新政策将有助于改善公共交通。