Translation of Daumenregel

I hope you had a successful week in Las Vegas. I am trying to reach Brooke to arrange a second trial in 10 days. I will also bring you printed material about the Vocabulix, as well as the language files.
In my next message to you I want to write everything in German. Than I will rewrite it in English and we can compare the output. This way you see the text in your mother tongue and in a foreign language.
We left and went back to the boat which took us back to the big vessel. We started our journey back to the main land. It was already late and from the main land, it was still a four hour drive back.