1. (在否定句中用于 neither 之后以引出第二项或几项中的最后一项)也不，也没有
    You use nor after 'neither' in order to introduce the second alternative or the last of a number of alternatives in a negative statement.

    e.g. Neither Mr Rose nor Mr Woodhead was available for comment yesterday...
           昨天罗斯先生和伍德黑德先生都无暇发表意见。
    e.g. I can give you neither an opinion nor any advice...
           我既不能给你意见，也不能提供任何建议。

2. (用于否定陈述后，表示该否定句也适用于自己、其他人或其他事物)也不，也没有
    You use nor after a negative statement in order to indicate that the negative statement also applies to you or to someone or something else.

nor的解释

    e.g. 'None of us has any idea how long we're going to be here.' — 'Nor do I.'...
           “我们没有人知道要在这儿呆多久。”——“我也不知道。”
    e.g. 'If my husband has no future,' she said, 'then nor do my children.'...
           “如果我丈夫没有前途，”她说，“那我的孩子们也没有。”

3. (用于否定句后，引出另一否定句补充前句)
    You use nor after a negative statement in order to introduce another negative statement which adds information to the previous one.

nor

    e.g. Cooking up a quick dish doesn't mean you have to sacrifice flavour. Nor does fast food have to be junk food.
           烹饪快餐并不意味着牺牲风味，快餐也不见得就一定是垃圾食品。