1. 表语并列
She was neither interested in the theatre nor interested in travel.
2. 介词短语并列
She was interested neither in the theatre nor in travel.
3. 介词宾语并列
She was interested in neither the theatre nor travel.
4. 倒装语序
Neither was she interested in the theatre nor in travel.
第一个句子比较啰嗦,有点浪费文字；其他的都是简洁的表达方法.