Translation of Sonderangebot

So you have taken a German course in the Ghoete Institute. Well, I certainly learned something with you, and your German is already a lot better than last time. I think we really did it.
The fact that James is active in many industries in Colorado, does not mean that the same must apply abroad, let's say in Spain. This fact complicates the ability to learn English in everyday life.
Thank you for your kind message. I have not done anything for my Spanish because I have too much work at my job. I might write you a letter, but I'm so busy at work that I can't afford other hobbies.