Translation of unzerstörbar

The billing of additional working hours is not justified, since it was our request to download the software and wait for the new version. They have admitted the error of the translation.
The easiest way of writing sentences in Spanish and English is to communicate with other people by email or by chat. I found the different time forms quite in Spanish very confusing at the beginning and it was the most difficult part.
Paris is totally a city for tourists because it has so many attractions. The Eiffel Tower should look beautiful at night. There are many ways to entertain yourself there. Start with the cafes.