By A Trade Deal而一个贸易协议
Englands Treasure by Foreign Trade英国通过对外贸易获得的财富
trade-by-trade data分笔交易
England's Treasure by Forraign Trade英国得自对外贸易的财富
by Trade Property按贸易性质分
a grocer by trade职业是杂货商
Sale by Trade Mark或商标;凭商标售货;凭商标或牌号买卖
sales by trade mark按商标买卖
trade by trade settlement逐笔结算