The bulk of the remainder are these two unwanted residues—pot ale and barley.

剩下的大多数都是酒糟和大麦这2种不需要的残留。

The rest is mainly one of two unwanted byproducts: pot ale and barley.

酒糟和大麦。

In Scotland, the leftovers are called “draff” and “pot ale.”

在苏格兰，剩菜被称为“draff”和“pot ale”。