根除

root out; uproot; stamp out; eradicate; exterminate; extirpate; thoroughly do away with; eradication; elimination; extirpation

腐败

corrupt; decay; rot; putrefy; go bad; decompose; spoil; deteriorate; degrade; decayed; rotten; venal; putrid; degenerate; depraved; corruption; putrefaction; canker; spoilage; maladministration; degeneration; depravity

现象

phenomenon; appearance