Britain’s immigration conundrum
英國：如何控制移民

For many of the 17m Britons who voted to leave the European Union, immigration was a decisive factor. Theresa May, Britain’s prime minister, has ruled out an Australian-style points system for controlling the inflow. So what are her other options?
英國首相特里莎·梅拒絕爲控制移民而給歐盟移民打分系統的提議，她質疑這種打分制是否能起到作用。這個建議是當時英國公投脫歐派的一項重要的承諾。