close out a short position

例句：

1. 1.We need to close out our long positions before the market opens.
   我们需要在市场开盘前关闭我们的长期仓位。
2. 2. The trader decided to close out his short position after the market closed.
   交易者决定在市场收盘后关闭他的短期仓位。
3. 3. The company is closing out its short positions in order to reduce its exposure to risk.
   该公司正在关闭其短期仓位，以减少其风险暴露。