underfiring

例句：

1. 1. The underfiring of the stock market is closely monitored by financial analysts.
   股市的下注行为由金融分析师密切监控。
2. 2. Betting on the outcome of a sporting event is considered a risky activity.
   对体育赛事结果的下注被视为一种风险活动。
3. 3. The underfiring of the economy has led to concerns about inflation.
   经济的下注行为导致了通货膨胀的担忧。