per aes et libram
per aes et libram 〈拉〉(罗马法)「铜块和秤式」 罗马市民法中要式买卖的一种方式。
per aes et libram (p[schwa]r ees et lI-br[schwa]m). [Latin] Roman law. By bronze (or copper) and scales. • The phrase typically referred to the fictitious sale in a mancipation during which the purchaser struck the scales with a piece of bronze or copper and then gave it to the seller as a symbol of the