professional photographer的用法和樣例：
例句
- Frank is a member of Professional Photographers of America, PPA and Wedding and Portrait Photographers International, WPPI.
陳啟華是美國職業攝影師協會會員，美國國際婚禮攝影師協會會員。 - Hunky Sam Elliot is a free-lance photographer doing a pollution layout for an ecology magazine.
虎背熊腰，腳蹬山姆艾略特是一個自由職業攝影師做了污染布局生態雜誌。
