growth engine的用法和樣例：
例句
- The tourist trade has become a new economic growth point for economic development in Xinjiang.
旅遊業已成為新疆國民經濟發展新的經濟增長點。 - As a new economic growth point of Guangzhou, Panyu District construction must be strictly in accordance with planning to do, will build the facilities.
作為廣州新的經濟增長點，番禺區的建設一定要嚴格按照規劃來辦，將各方面配套設施建設好。
