形容词
中文翻译：Unknown
同义词：
['valid', 'efficient', 'productive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 manager's suggestions were very effective in solving the problem.
经理的建议非常有效地解决了这个问题。
-
3.The new software is expected to be effective in improving productivity.
预计新软件能提高生产力。