Why is it Bahasa Indonesia always different every person?
Bahasa Indonesia does not really have formal way to make sentences.
As long as the listener gets the idea, it is acceptable.
That's why every teachers have different method or technique to guide you in learning Bahasa.
That's why every lessons you've taken teaching you many different ideas.
Don't be confused!
The best key in Indonesia is vocabulary.
Semangat in learning Bahasa teman-teman!