[NTG-context] How can I configure the context in order to use CJK-Ext B chinese characters in context?

Dear Hans, If I want to use CJK-Ext B chinese characters in my Context presentations, what should I do? --- Hongyi Zhao 赵弘毅 --- 《阙题》 作者：刘脊虚 道由白云尽，春与清溪长。 时有落花至，远随流水香。 闲门向山路，深柳读书堂。 幽映每白日，清辉照衣裳。