Oops, the question was removed to another forum to get a real answer and help.
These guys here are not to answer and help you but bewilder you and …
Above all, they are here to SPORT their English. !
What, giving up already? If we had your backtreading style in our distinguished Armed Services, my faint-of-heart friend, this magnificent county would indeed be under foreign occupation, or perchance totally at the unbegrudging mercy of those accursed international terrorists who so violently storm our mighty gates. One very important lesson in academic education, especially that above preschool level, surely has to be admitting whatever comes your merry way, whether you happen to agree with it or not, for this rather odd sort of intellectual maturity constitutes the truest essence of rational learning--or else in rock maestro Pete Townshend’s unforgettable lyrics of wild & crazy 1971, “I don’t need [you] to be forgiven!”