When Mrs Thatcher came to hold talks with us two years ago, she insisted that according to international law a treaty once signed remains valid and that Britain would continue its administration of Hong Kong after 1997.

• 两年前撒切尔夫人来谈，当时她坚持历史上的条约按国际法仍然有效，一九九七年后英国要继续管理香港。