Твоя цель предложить то, чего не бы

Твоя цель предложить то, чего не было раньше и что будет двигать науку вперед.
Ты должен защитить диссертацию.

Результаты (английский) 1:

Your goal is to offer something that was not there before, and that will move the science forward. You must defend the dissertation.

Результаты (английский) 2:

Your goal is to offer something that was not there before and that will move the science forward.
You have to defend his dissertation.

Результаты (английский) 3:

your goal is to offer something that was not there before, and that will move the science forward.you must defend the thesis.