cbd一般指中央商务区。

例句

A Study on Promoting the Healthy Development of Urban CBD in China 

促进我国城市中央商务区（CBD）健康发展探讨

The same day Abilio Diniz, the boss of CBD, said he was suspending his offer to merge with Carrefour. 

巴西百货的老板阿比利奥?迪尼兹（Abilio Diniz）也表示，将推迟和家乐福合并的交易。

Market Conditions Analysis for the Formation and Development of CBD 

CBD形成和发展的市场条件分析