如果城市要发挥其增长引擎的功能，要避免环境的进一步恶化，要为其居民提供

如果城市要发挥其增长引擎的功能，要避免环境的进一步恶化，要为其居民提供至少是像样的生活品质，就要求有更好的治理

結果 (英文) 1:

If cities are to have their engine of growth functions, to avoid further deterioration of the environment, to provide at least a decent quality of life for their residents, would require better governance

結果 (英文) 2:

If cities are to fulfill its growth engine function, to avoid further deterioration of the environment, to provide for its residents at least a decent quality of life, it requires better governance

結果 (英文) 3:

If the city should play its function of engine growth, to avoid further deterioration of the environment, to provide residents with at least a decent quality of life, it requires better governance