社会中坚

例句：

1. 1. The social media has become the backbone of our society.
   社交媒体已经成为我们社会的支柱。
2. 2. The successful entrepreneur is often seen as a pillar of the community.
   成功的企业家常常被视为社区的支柱。
3. 3.The government's policies have been crucial in stabilizing the economy.
   政府的政策措施在稳定经济中起到了关键作用。