Engineering or science in liberal arts. . . . Is it possible? . . . . . . On the premise of mathematics, it will be better. Otherwise, don't.
Get a BEC, but you have to pay a considerable fee. You must get English and math right first, and then study the basics of economics hard. Russia is basically useful, which means that your life is basically over. . . . .
Therefore, unless you really want to work and live in Russia, it is indeed a strategic mistake to ship in Russia. Of course, it's okay to like Russia.
Zhejiang, Russia should be a little coquettish. That place is not a good soil for the development of Russian major. If you want to work in Russia or Beijing or Northeast China.