adj.不是必要的;可有可无的
A garage is useful but dispensable. 汽车房虽然有用
They looked on music and art lessons as dispensable. 他们认为音乐课和美术课是可有可无的。
Otherwise Miller would become a dispensable figurehead. 否则米勒就会变成可有可无的傀儡。
adj.不可缺少的