买一台洗衣机，按定价八五折付款，付出731元。这台洗衣机原价/r;g/B,d/a;X;n8V5_.o:[5n*L+G0k8w-@元。便宜了9j,Y3p0M7q.u7N5r)e-m'z6c,e-G'y0_元。3_/Z5B/?8k*v4S9i