/ˈɪnsɜːt; NAmE ˈɪnsɜːrt/ (also ˈinset, less frequent ) [countable] an extra section added to a book, newspaper or magazine, especially to advertise sth
（书、报纸或杂志，尤指做广告中）添加的东西；添加；插入◆an 8-page insert on the new car models
有关新车型的 8 页插页广告 free-standing insert