“扩张的”用英语怎么说？

积极扩张的市场经济是发展的必要条件。An active and expansive market economy is a necessary condition for progress.这个不断扩张的城市容纳了约400万人口。The sprawling city contained some 4m people.在开罗不断扩张的都市版图内，这些被悉心照料的花园成了一片世外桃源。The immaculately tended gard...