And again: "Kill a pig, kill a sheep — what we cannot use today will do for tomorrow.

了 is liǎo here, to finish or use up, not the light particle: 用不了 is more than can be got through. She is not being wasteful; she is provisioning for the ninety-odd horses due in the morning.

Bring the good wine, cook white rice, and roll out cakes of white flour."

The last character but one is a variant worth pausing on. 捍 on its own means to ward off, and would make nonsense here. But the old dictionary records it as identical to a character that is in turn the short form of the verb meaning to spread or roll something out by hand, and gives that verb the reading gǎn — which is exactly what rolling out cakes of white flour is. The reading follows the word the line means rather than the character as printed, the same way this chapter reads the earth-gods a few pages on.