unplanned investment

例句：

1. 1. The company's decision to invest in new technology was a surprise to many investors.
   公司决定投资新技术，这让许多投资者感到惊讶。
2. 2.The unplanned investment has led to significant losses for the company.
   未计划的投资导致公司遭受了重大损失。
3. 3.The government's unplanned investment in infrastructure has improved the country's economy significantly.
   政府对基础设施的未计划投资极大地改善了国家的经济状况。