等价

děng jià yuán zé

等价原则

equal value principle

děng jià shāng pǐn

等价商品

goods of equal value

xiāng xìn liàn jīn shù de fǎ zé děng jià jiāo huàn de yuán lǐ què bèi pàn le xiàn shí

相信炼金术的法则，等价交换的原理，却背叛了现实。

Believed the alchemy the principle, the exchange of equal value principle, has betrayed the reality actually.