商业部的英文：
Board of Trade

参考例句：

Crop estimate by dept commerce indicate6%increase shipment oversea slow chicago futures sagging.
商业部预测收成将增加6%，芝加哥海运业务不景气。

board是什么意思：
n. 板；木板；甲板；董事会；膳食
v. 用板盖上；上（船、车或飞机）；搭伙，寄宿；给提供膳宿

a plotting board
测绘板

They piped the captain on board.
他们以笛声欢迎船长登船。

the board on which backgammon is played.
用来玩西洋双陆棋的板子。

integrated circuit chip board
集成电路片试验板

Square the corners of a board.
使一块板的几个角成直角。

trade是什么意思：
n. 贸易；生意；交换；职业；手艺
v. 交易；对换；用…进行交换

Jack of all trades is of no trade
万事皆通,一无所长

the trade in pornography
色情作品的交易.

Foreign trade departments handle export and import trade.
外贸部门经营进出口业务。

custom of foreign trade.
对外贸易惯例

A businessperson engaged in retail trade.
从事零售交易的商人。