n.冗余；多余信息；备份；裁员
He put all his redundancy money into a shop. 他把所有剩余资金都投入了一家商店。
But if the trail of predecessor is long, redundancy can be well hidden. 但是如果前导的联接链很长，那么这种多余就常常隐藏起来。
The threat of redundancy was suddenly removed. 裁员的危险顿时消除了。
