growth engine的用法和样例：
例句
- The tourist trade has become a new economic growth point for economic development in Xinjiang.
旅游业已成为新疆国民经济发展新的经济增长点。 - As a new economic growth point of Guangzhou, Panyu District construction must be strictly in accordance with planning to do, will build the facilities.
作为广州新的经济增长点，番禺区的建设一定要严格按照规划来办，将各方面配套设施建设好。
