People over the age of 20 have a real affinity for the word "cassette tape." We listened to music and bought cassette tapes of our idols. We studied English by listening to tapes, and even the radio calisthenics used cassette tapes. But within just a few short years, cassette tapes quickly disappeared from our lives. I call this phenomenon the decline of the cassette tape era! Today, let's together explore the joys, sorrows, partings, and reunions of the cassette tape era!