intervention

例句：

1. 3. 例句：1. The government's decision to intervene in the economy has caused widespread concern.
   政府决定干预经济，引起了广泛的担忧。
2. 2. The surgeon performed a medical intervention on the patient during the operation.
   外科医生在手术中对病人进行了医疗干预。
3. 3. The company's intervention in the market has disrupted the competition.
   公司在市场上的干预已经破坏了竞争。