这座人行天桥将商场与地铁站连接起来。

The footbridge ___links the shopping mall to the subway station.

科学家正在研究将吸烟与肺癌联系起来的证据。

Scientists are studying the evidence ___linking smoking to lung cancer.

这个程序通过连接两个数据库来共享信息。

The program shares information by ___linking the two databases.