Selected workers and other nouns.

People who go out to work every day. Nouns that appear together with natural selection of migrant workers, natural selection of cooks, caring for a "sheep", natural selection of migrant workers, natural selection of people who care for lambs, natural selection of caregivers, etc. "Natural selection of migrant workers" is an online buzzword, which refers to those who have negative nucleic acid test results and need to go out to work when the epidemic is serious. During the epidemic, "the community is not sealed+the unit is not sealed+the health treasure is not popped up", and people who can go to work on time every day.