Some vegetables can be consumed raw, while some, such as cassava, must be cooked to destroy certain natural toxins or microbes in order to be edible.
It’s just like the story of the grasshopper and the octopus.
Caution! May contain Peanuts!
The swallow may fly south with the sun, and the house martin or the plover may seek warmer climes in winter, yet these are not strangers to our land.