Hairy crabs in the market are mostly sold by the price, and the expensive one is hundreds of yuan. Therefore, compared with a hairy crab of more than 100 yuan, the price of a hairy crab of 20 yuan is not expensive.

It should be noted that the price of hairy crabs needs to be judged according to the comprehensive factors such as the size, origin, quality and market supply and demand of hairy crabs.