Why does Ma Siwei know English?

Ma Siwei knows English because he has been educated in English since he was a child. In China, English is a part of compulsory education, and most schools offer English courses. For the rapper Marek Swe, mastering English can help them better contact and understand rap culture, because the origin and development of rap music and culture are mainly in the United States. This also enables them to contact and learn foreign music and art resources more widely, which is of great help to their career development.