zài / yín běn wèi / zhì dù / xià / huò bì / de / jià zhí / tōng cháng / yǔ / yí dìng / shù liàng / de / bái yín / guà gōu在银本位制度下,货币的价值通常与一定数量的白银挂钩。Under the silver standard, the value of currency was usually tied to a certain quantity of silver.