bound 在這首歌的意思是:「必定」,例如:
There are bound to be price increases next year......(明年物價一定會上漲。)
With something so new, there are bound to be teething problems.(如此新鮮的事物,剛開始必然會有些問題。)
Politician’s comments are bound to add fuel to the debate.(政客的論點,必定會這次的爭端火上加油。)