Money followed, the general commodity with which all others 101 were exchangeable.随后就出现了货币, 即其余一切商品都可以和它交换的普遍商品.These tokens are exchangeable for DVDs only.这些赠券只能换 DVD 盘。Sale goods in this shop are not exchangeable.本店货物售...
而且, 这一目标或许要早于防止污染.Indeed, this strand may well predate the anti - pollution effort.在世界上大部分地区, 以重量表示价值的金属作为货币使用早于硬币.Metal, valued by weight, preceded coins in many parts of the world.测色学的基本概念早于1853年由格腊斯曼加以阐述.The basic con...