expand the selection

例句：

1. 1.The company plans to expand its operations in the new market.
   公司计划在新的市场上扩展其业务。
2. 2.The team is expanding their knowledge base by attending conferences.
   团队正在通过参加会议来扩展他们的知识库。
3. 3. The economy is expanding at a faster pace than expected.
   经济正以比预期更快的速度扩张。