The move to curb the annual flow of 300,000 students into Britain stems from the Tory pledge to reduce net annual migration from outside Europe to below 100,000 from the 2009 level of 184,000.
此次遏制每年到英国留学的300,000人数数量的提议源于英国保守党的承诺，即将每年从欧洲以外的移民人数从2009年的184,000人控制到100,000人。