AcafeinVirginia,America,hascomeupwithamethodtoconvincec...
問題詳情：AcafeinVirginia,America,hascomeupwithamethodtoconvincecustomerstobemorepolite.Asignadvertisesdifferentcostsforacupofcoffeedependingonhowpolitethecustomeriswhenordering.Thepricesarelistedwithth...