know-how fee

例句：

1. 1. The company charges a knowledge fee for its software training courses.
   该公司对其软件培训课程收取知识费。
2. 2. The chef has to pay a skill fee for his exceptional cooking skills.
   这位厨师因他的出色烹饪技巧而必须支付技能费。
3. 3. The museum requires visitors to pay a knowledge fee before entering the exhibition hall.
   博物馆要求参观者在进入展览厅前支付知识费。