initiate mode

例句：

1. 1.The company initiated a new marketing campaign last month.
   这家公司上个月启动了一个新的营销活动。
2. 2.The teacher initiated the class discussion by asking questions.
   老师通过提问来引发课堂讨论。
3. 3.The project was initiated with a budget of $50,000.
   该项目的预算为50,000美元。