Zài / Běi / jīng / dòu / zhī / tōng / cháng / zhǐ / yì / zhǒng / fā / jiào / de / lǜ / dòu / yǐn / liào在北京,豆汁通常指一种发酵的绿豆饮料。In Beijing, douzhi usually refers to a fermented mung bean drink.