commercial sector的用法和樣例：
例句
- Commodities can be sold by the commercial departments on a commission basis.
委託商業部門代銷。 - The services offered by UK Trade Investment bring together a network of business sector specialists and support teams in British embassies and posts all around the world.
英國貿易與投資總署提供的服務通過由商業部門的專家和英國駐各國使領館的支持小組組成的服務網進行。
