https://online2.tingclass.net/lesson/shi0529/0001/1196/sl20060920.mp3
https://image.tingclass.net/statics/js/2012
one-track(口)固执于一个想法的。one-track mind是指 ‘心中只想着一件事’
A: Henry has a one-track mind.
亨利心里只想着一件事。
B: True-football, football, and only football.
没错——足球,足球,还是只有足球。