“gain a firm foothold”可以造什么句，gain a firm foothold造句

In particular, the current president of Chaoyuan Group, Chaoyuan, boldly diversified the group ten years ago, focusing on investing in emerging technology industries and real estate industries, which laid a solid foundation for Chaoyuan to gain a firm foothold in China and enter the international market.

Unless we annihilate large numbers of enemy troops and fully arouse the masses, it would be impossible for us to gain a firm foothold.