Under the Australian Family Law Act, couples in a de facto relationship are treated similarly to married couples. But what are their legal rights and obligations in case of separation, and what are the benefits and criteria for establishing a de facto status in the first place? - 根據《澳洲家庭法》，同居伴侶享有與已婚夫婦類似的同等待遇。但是，一旦二人分居，他們又有甚麼法律權利和義務呢？而雙方首先建立事實地位的好處和標準又是怎樣呢？