critical period of expansion

例句：

1. 1.The company's expansion into new marketshas been a success.
   该公司进入新市场的成功扩张。
2. 2. The economy is expanding at afaster pace than expected.
   经济的增长速度比预期的要快。
3. 3. The team'sexpansion into the field of renewable energy hasbeen met with enthusiasm.
   团队在可再生能源领域的扩张受到了热情的欢迎。