mm我的单子一个 GNC Men's Mega Men Multivitamin, Timed Release Caplets 180 ea 一个 GNC Men's Mega Men 50 Plus Multivitamin, Timed Release Caplets 120 ea 一个 GNC Women's Ultra Mega 50 Plus Multivitamin, Timed Release Caplets 120 ea mm我们可以用GNC卡是吗？折扣完大概是多少钱呢？