What does Numbers 22:4 mean?

Moab said to the elders of Midian, 'This crowd is going to eat up everything around us, like cattle grazing a field.' Balak, who was king of Moab at the time, Numbers 22:4 - Modern Text Bible

(Moab’s leaders talk to their neighbors, the Midianites, using a vivid image: Israel will consume all their resources like hungry cattle.)