相干

例句：

1. 1. The two events are closely related.
   这两个事件密切相关。
2. 2. The researcher found a correlation between the data and the results.
   研究者发现数据与结果之间存在相关性。
3. 3.The scientists discovered a new connection between the virus and the disease.
   科学家们发现了病毒和疾病之间的新联系。