tabletop sale
noun [ C ] UK uk/ˌteɪ.bəl.tɒp ˈseɪl/ us/ˌteɪ.bəl.tɑːp ˈseɪl/
（尤指慈善性质的）个人旧货桌上出售会
a sale of a mixed collection of things that people no longer want, especially in order to make money for an organization. The items for sale are arranged on tables.