【正文】
interview between strangers. In the third conversation speaker A obviously know something about speaker B (last utterance), but probably doesn’t know him. Useful expressions In The AAA ? It is estimated that… ? establish a relationship ? avoid (doing) sth ? an embarrassing silence ? in this way ? social technique ? have something in mon ? at last ? 據(jù)估計(jì) …… ? 建立關(guān)系 ? 避免 (做 )某事 ? 尷尬的沉默 ? 用這種方法 ? 社交技巧 ? 有共同點(diǎn) ? 最后