internal fluorescent lighting

例句：

1. 1.The company's internal policies are changing rapidly.
   公司的内部政策正在迅速改变。
2. 2. He was born in the city but grew up in the countryside.
   他出生在城市，但长大在乡下。
3. 3. The new policy is designed to improve the efficiency of the internal operations.
   新的政策旨在提高内部运营的效率。