聽(tīng)力縮略詞寫(xiě)法1：拿掉所有元音
    MKT: market
    MGR: manager
    MSG: message
    STD: standard
    RCV: receive
    聽(tīng)力縮略詞寫(xiě)法2：保留前幾個(gè)字母
    INFO ：information
    INS ：insurance
    EXCH exchange
    I owe you IOU
    In stead of I/O
    聽(tīng)力縮略詞寫(xiě)法3：保留開(kāi)頭和結(jié)尾個(gè)發(fā)音字母
    WK：week
    RM：room
    PL：people