作为学生：
residence permit - 居留许可，就是你的续签被批准了，许可你（继续）在英国居留。
Limited leave to remain in the UK. No recourse to public funds. Able to work as authorized by the Secretary of State。
上面应该有个日期，那就是你可以在英国停留的有效期，在这期间，你可以工作，但是工作受以下条件限制：
1。work for more than 20 hours a week during term time, except in the case of an agreed work placement or internship。
2。engage in business, self-employment or provide services as a professional sportsperson or entertainer。
3。pursue a career by filling a permanent full-time vacancy。