C699 What Was the Meaning of This?

Cao Si'en's back wasn't in great shape, and when he got all worked up and lunged forward earlier, he pulled something. Now, he couldn't even get up if he tried, so he just lay there on the ground, head down, reporting, "I heard that yesterday the Department of Revenue received an urgent letter stating that Sicheng has been hit by a severe drought. For months, there's been no harvest