n.多余；過(guò)剩；奢侈品
This book has a superfluity of introduction. 此本書(shū)中有多余的介紹。
The teacher pruned the student's article of its superfluities. 老師刪去這個(gè)學(xué)生文章中的多余內(nèi)容。
There is also a superfluity of stop signals. 此外，停止符的數(shù)量也有冗余。
