Translation of "Edge" in Chinese

Who has the edge now?

目前谁占上风？

Will you please hold this edge?

能不能请你拿着这端？

The company's competitive edge will be eroded if system engineers continue to leave.

如果系统工程师继续离开，公司的竞争优势将会被削弱。

Three soldiers who came back from the war are renting a house at the edge of a small town on the shore of the Inland Sea and live together.

三个退伍军人在内海一个小镇边上租了一套房子，并生活在一起。