2 sentences

1. 主要的成份就是黑豆。

   zhǔ​yào de chéng​fèn jiù​shì hēi​dòu.

   The main ingredient is black beans.

   Source: CCMatrix

2. 黑豆通常是廉价的蛋白质来源。

   hēi​dòu tōng​cháng shì lián​jià de dàn​bái​zhì lái​yuán.

   Black beans are often an inexpensive source of protein.

   Source: CCMatrix