用英语翻译:香港是一个经济发达,与国际接轨的大都市,在这里可以开拓视野,丰富自己,能来到这里是我的梦想

Hong Kong is an economically developed international cosmopolitan. It has always been my dream to come here to expand my view, and to enrich myself.

Hong Kong is a well-developed international economic hub. So it has been my dream to be here to broaden my eyes and enrich myself.

Hongkong is a developed （and internationally compatible） metropolis where you can broad your eyes and enrich yourself. It is my dream of being here.

请珍惜哦
Hong Kong is the developed economic and international metropolis, where you can broaden your horizon and enrich your knowledge. It's my dream to be here.