AcafeinVirginia,America,hascomeupwithamethodtoconvincec...
问题详情：AcafeinVirginia,America,hascomeupwithamethodtoconvincecustomerstobemorepolite.Asignadvertisesdifferentcostsforacupofcoffeedependingonhowpolitethecustomeriswhenordering.Thepricesarelistedwithth...