No need for apologise. Your english is perfect :)

I think English speakers in general wouldn't be comfortable regarding anyone as anything but equal to them. I felt uncomfortable just reading your title :-D Some part of me deep down feels that there's something innately offensive about the words "superior" and "inferior" (when talking about people), but that's probably just because we don't have words in English to describe the Japanese concept of superiority and inferiority.

When I was first learning German, I read that formal informal 'you' (du) was used to be informal and friendly and that formal 'you' (Sie) should be used to be "formal and polite". To me this was a paradox. Surely it was a typo and should have been "formal and INpolite"! It made sense to me that "du" would be regarded as polite, since it was also described as "informal and friendly". I came across the same thing several more times from different sources, and it made me very confused. Now I understand that in many cultures, being formal is considered polite. To this day, I still struggle to say "Sie" instead of "du" when I know I should be formal, out of fear of accidentally offending who I'm speaking to;  it feels much safer to use "du" (although I consciously know they're more likely to be offended by "du" in those situations). Formal and informal "you" exist in all the other languages I subsequently studied. Fortunately, I haven't offended anyone yet that I know of :-D 

It differs across English speaking countries as well. Apparently Americans are much more formal in the workplace than Australians.

I very recently started learning Japanese, and I was horrified to discover that it has even more levels of formality than the other languages I've studied! Moreover, the formality of the situation plays a much greater role in the grammar than in all the other languages I've studied! I've read descriptions of wheneach level of formality should be used, but I think it'll be a long time before I do it intuively.

I'm curious, when you speak English do you feel relieved that you don't need to worry about being formal, or is it awkward that you have to talk to everyone the same way?

Yeah I heard that but dont know how to describe it.

And dont know what exactly the relationship is

Somehow, Chinese hate that so there was a cultural revolution in china

But everyone is Partners in Crime in the structure.

It is hard to solve it

Especially many words of pretexts are formed.

Have you met a situation that you feel something wrong but you dont have words to say

then be convinced by it.

Sometimes it is hard to find something wrong in yourself culture

You need to see others to tell from it or you think the world is like that always.

But you do feel uncomfortable in it

I think that is due confucianism. This school of thinking had a huge influence on China, Japan, Korea and Vietnam. It is a very interesting philosophy.
In the western countires, their is a huge lack of repect toward superior, especially in school where the teachers are often seen as responsible for the bad results of the pupils instead of the opposite.