短语
more than what is due
unnecessary
uncalled-for
单词
Superfluous例：Superfluous wealth can buy superfluities only.
多余的财富只能买来多余的东西
excess例：Skimming off the excess fat.
撇去多余的脂肪
surplus 例：They plucked the surplus wool off.
他们抽出多余的羊毛