И лишь для полного понимания, нужно

И лишь для полного понимания, нужно полностью быть включенный в определенную тему, другими словами- воспринять ее как визуально, так и на слух, а так же большую роль играет заинтересованость в определенной тематике.

Результаты (английский) 1:

And only for a full understanding, you need to be fully included in a particular topic, in other words, to accept it both visually and aurally, and also plays a major role in the interest of a particular topic.

Результаты (английский) 2:

And for a full understanding of the need to fully be included in a particular topic, in other words-its both visually and aurally, as well as important interest in a certain topic.

Результаты (английский) 3:

And only for a full understanding of, you want to be included in a specific topic, in other words, embrace its both visually and by listening, as well as the role played by each in a specific subject.