higher grade industries

例句：

1. 1.The higher grade industries are more likely to be innovative and competitive.
   更高级别的产业更有可能创新和竞争。
2. 2. The government is investing in the development of higher grade industries to boost economic growth.
   政府正在投资于发展更高级别的产业，以促进经济增长。
3. 3.Higher grade industries often require more advanced technology and skilled labor.
   更高级别的产业通常需要更先进的技术和熟练的劳动力。