英语翻译请帮我把“白奥政策导致中国社区迅速减小——墨尔本的唐人街减少到了原来的四分之一”“早些年,中国人是被澳大利亚的金

White Austrian policy has led Chinese community decreases rapidly - The Chinatown in Melbourne is reduced to a quarter of the original.
in the earlier years, the Chinese people are attracted by Australia's gold mine.
我只查了什么是白奥政策和如何拼墨尔本