commercial undertaking的用法和樣例：
例句
- The economic efficiency of large commercial enterprises was low.
大型商業企業經濟效益依然不好。 - What every commercial enterprise seeks is Brisk Buying and selling.
購銷兩旺，是每個商業企業的追求。 - It's free for personal and commercial use.
個人與商業機構都可以自由的使用它。 - HKEC would be a performance and growth driven commercial entity allowed to make profit and distribute dividends to its shareholders.
交易結算公司是一個商業機構，以業績和業務增長為目標，可賺取利潤，并可向股東分派股息。
