> I have to rely on machine translation to understand English documents that have no translation. The materials in my language are about 5 to 6 years behind.
Pretty much off topic, but I strongly recommend you learn English. It takes a little bit of effort, but getting rid of that constant translation overhead will be an enormous boost for you.
guy's korean, looks like? korean <-> english is the hardest language pair of two industrialized-nation languages, almost.