平衡價格
parity value
在這個狀況下，透過競爭而確立的市價使到買方所尋求的貨品或服務量等同賣方所提供的貨品或服務量。這個價格一般稱為平衡價格或市場結算價，除非供求有變，否則通常不會改變。
In this situation, through market competition established Shidao goods or services equivalent to the amount sought by the buyer of goods or services provided by the Vendor. This price is generally called an equilibrium price or market clearing price, unless there is a change of supply and demand, or else do not usually change.