https://online2.tingclass.net/lesson/shi0529/0001/1196/sl20060920.mp3
https://image.tingclass.net/statics/js/2012
one-track（口）固執(zhí)于一個(gè)想法的。one-track mind是指 ‘心中只想著一件事’
A: Henry has a one-track mind.
亨利心里只想著一件事。
B: True－football, football, and only football.
沒錯(cuò)——足球，足球，還是只有足球。
