套换

套换	tào huàn	to change (currency) illegally / fraudulent exchange
套	tào	to cover / to encase / cover / sheath / to overlap / to interleave / to model after / to copy / formula / harness / loop of rope / (fig.) to fish for / to obtain slyly / classifier for sets, collections / bend (of a river or mountain range, in place names) / tau (Greek letter Ττ)
换	huàn	to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency)