extension of game without exchange of information

例句：

1. 1.The company has decided to extend its reach into new markets.
   该公司已决定将其业务扩展到新的市场。
2. 2. The bridge is designed to extend the length of the river.
   这座桥的设计是为了延长河流的长度。
3. 3. The scientist extended his theory to explain the phenomenon.
   科学家将他的理论扩展到解释这一现象。