VERB
对（费用、汇率等）定价过高
To overvalue something, often a cost or rate of exchange, means to fix its value at too high a level compared with other similar things.
例句
...a rate which does not overvalue the pound...
对英镑不作高估的比率
Many, perhaps all, Internet stocks are hugely overvalued.
很多，也许是所有的网络股都被大大高估了。