奏效的

例句：

1. 1. The new policy is expected to be effective in reducing pollution.
   新政策预计将有效减少污染。
2. 2. The medicine is effective for treating the common cold.
   这种药对治疗普通感冒有效。
3. 3. 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。