等とう価か交こう換かんとうかこうかんじ字FuriganaMeanings1nounfair exchange; equivalent exchange; exchange of equal valueRefers to exchanging things of equal worth, often used in economic, legal, or philosophical contexts. Can imply a balanced trade-off.等とう価か交こう換かんの原げん則そくに従したがって、両りょう者しゃは土と地ちを