原文章由 ac321 於 24 7 2008 22:18 發表
It is because they are living in their 99's flat (fully pay and don't need to 供).
So they need to 供62 99 住的居屋, (係her 99 + husband個名). They exchange their flat with 99's flat because her husband don't want to live in 居屋, right?