hard sector treatment

例句：

1. 1. The company's hard sector is its core business, which accounts for a significant portion of its profits.
   该公司的硬核业务是其核心业务，占公司利润的很大一部分。
2. 2. In the hard sector, competition is intense and innovation is essential to stay ahead.
   在硬核领域，竞争非常激烈，创新对于保持领先地位至关重要。
3. 3. The government has introduced new policies to tackle the challenges faced by the hard sector.
   政府已经推出了新的政策来应对硬核行业面临的挑战。