A man in a ragged coat stood in a supermarket with a bottle of beer in his hand. He was a pig farmer in the suburbs, his wife ran away many years ago, he took his elementary school children alone, in order to save some feed money, always came to this hotel to collect swill water. Today, he braved the wind and snow to collect swill in the weather of minus twenty degrees, and he was not willing to eat. When I see this kind of person, I still can't help but feel a little sad, some people have to use up all their strength just to live...