I think if we want to pay attention to the basics, we should report to domestic training institutions such as "Fast Law"; If you want to improve your spoken English, you should go to training institutions for foreigners such as Fagaran, French League and Hugo French Interview Training.
Non-French majors can take the National Translation Certificate Level 2 and Level 3, the National Foreign Language Proficiency Test (WSK) and the Professional French Certificate DFP.