有疗效的

例句：

1. 1. The new policy isexpected to be effective in reducing pollution.
   预计新政策能有效减少污染。
2. 2. Heradvice was very effective insolving the problem.
   她的建议非常有效地解决了这个问题。
3. 3. The new software isexpected to be effective in improving efficiency.
   预计新软件能提高效率。