expansion of established enterprises

例句：

1. 1. The company's sales have been expanding rapidly.
   该公司的销售额正在迅速增长。
2. 2.The economy is experiencing a period of rapid growth.
   经济正处于快速增长期。
3. 3. The team is working hard to achieve its expansion goals.
   团队正努力实现其扩张目标。