For instance, a lot of people from Taiwan and Hong Kong, in order to immigrate, sell off their original homes. When they want to go back, the price of real estate back home has already skyrocketed, and they can't buy it back.
像台灣和香港很多人為了移民，把原來的房子都賣掉了，等到想回去的時候，當地的房地產早已經大漲，再也買不回來了。