行业联
行业联-
对联的种类分为春联、喜联、寿联、挽联、装饰联、行业联、交际联和杂联（包括谐趣联）等等。
Generally speaking , duilian can be classified into Spring Festival ( Chinese New Year ) couplets , wedding couplets , longevity couplets , elegiac couplets , decorative couplets , trade couplets , social couplets , and miscellaneous couplets including facetious or humorous couplets .