si m A : X t±t±M A : From X company You have visited B of Y company to introduce your company's new headphone stereo. Greet B and while you show him a brochure, introduce the product. B : Y t±t±M B I From Y company A from X company has visited to introduce his company's new headphone stereo. Listen to A's explanation and then ask various questions. ^v K•+vxx u;fr headphone stereo 5t0iZiti" o'O^.t! sell (a product) 14