形容词中文翻译
中文翻译：无效的
同义词：
['inefficient', 'incapable', "ineffective例句：1. The new policy is expected to be ineffective in improving the economy.（预计新政策在改善经济方面不会有效。）2. The teacher's advice was ineffective at solving the problem.（老师的建议在解决这个问题上是无效的。）"]
例句：
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1. The new policy is expected to be ineffective in improving the economy.
预计新政策在改善经济方面不会有效。
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2. The teacher's advice was ineffective at solving the problem.
老师的建议在解决这个问题上是无效的。
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3.The new machine is ineffective compared to the old one.
与旧机器相比，这台新机器是不有效的。