They trade in the local black markets for moonshine known as jungle juice.
他们在当地的黑市上交易被称为丛林果汁的月光。
英语百科
Jungle juice
Jungle juice is the name given to an improvised mix of liquor that is usually served for group consumption. There are countless recipes and even websites devoted solely to jungle juice. The term has also been used for similar less-than-reputable alcoholic concoctions.