Communication: Next year is a hundred years of commemoration, but we may have to close the door - the worries of the American dairy farmers family

Communication: Next year is a hundred years of commemoration, but we may have to close the door - the worries of the American dairy farmers family: The dairy farm is located in the Midwestern state of Wisconsin, a large dairy state in the United States. It was founded by Sarah's husband, Nelson's grandfather, and is now the third generation. The couple worked with Nelson's parents and brothers