形容词
中文翻译：有效的
同义词：
['efficient', 'efficient', 'effective', 'efficacious例句：1. The new policy is expected to be effective in reducing pollution.（预计新政策能有效减少污染。）']
例句：
-
1. The new policy is expected to be effective in reducing pollution.
预计新政策能有效减少污染。
-
2. The medicine is effective for treating the common cold.
这种药对治疗普通感冒有效。
-
3. The manager's suggestion was effective in solving the problem.
经理的建议在解决这个问题上是有效的。