leftover

1. N-PLURAL You can refer to food that has not been eaten after a meal as leftovers. 賸餘食物

Refrigerate any leftovers. 把賸飯冷藏起來。

2. ADJ You use leftover to describe an amount of something that remains after the rest of it has been used or eaten. 賸餘的[ADJ n]

...leftover pieces of wallpaper. …賸餘的壁紙。