trading area的用法和樣例：
例句
- The office is in the commercial area of the town.
該辦事處位於城市的商業區。 - This small town has been zoned as a shopping area.
這個小鎮已划作商業區。 - This is the first free trade area agreement China joined.
這是中國參與的第一個自由貿易區協議。 - ROK and ASEAN are contemplating establishing a free trade area, too.
韓國與東盟也開始考慮建立自由貿易區。
