Optimists are learning English, but what does pessimists mean by learning Chinese?

This is actually a political joke in the Soviet era, which means to discuss whether Americans will "liberate" the Soviets or whether China (during the Cultural Revolution) will "liberate" the Soviets. If you have different judgments on this issue, you will naturally learn different languages ... As for which of these two situations is "optimistic" and which is "pessimistic", it goes without saying. ...