1·The proletariat was then still a "class-in-itself".
这时，他们还是一个所谓“ 自在的阶级”。
2·He also recognized the "only the future but the emerging proletariat".
同时还认识到“惟新兴的无产者才有将来”。
3·But, as a wise central banker, you know that for a country to grow its economy, it needs a singular currency so the proletariat doesn't get confused.