datum hole

例句：

1. 1. The data point is the smallest unit of information we can measure.
   数据点是我们能够测量的最小的信息单位。
2. 2. The data hole is a gap in the data that needs to be filled in order for us to make accurate predictions.
   数据洞是数据中需要填补的缺口，以便我们能够做出准确的预测。
3. 3. The data hole analysis helps us understand the impact of external factors on the company's performance.
   数据洞分析帮助我们理解外部因素对公司业绩的影响。