This is not a dictionary.
Well, this is not just a dictionary! It also has a text translating system, e-mail, a fax machine, a digital voice recorder, a databank, a grammar book, ...
In brief, it is top of the line!
This is the professional choice, proved by experience!
If you are a professional, it will be your workmate.
If you are a student, it will be your assistant.
It will always be with you and will always help you.