1. One of the advantages of living in big cities is that they have lots of cinemas and other diversions.
    生活在大城市里的一个优点就是城里有许多电影院和其他娱乐场所。

1. 分集：在PHY层导入了多项革命性的技术,例如:更佳的OFDM调制技术、多输入多输出(MIMO)、分集(Diversity)及波束成形(beam-formin曲的新天线技术等等;在MAC层部分最主要的突破是采用讯框汇聚(frame aggre-gation)的新作法,能有效提升封包处理的效率,

2. 不同：不错,那么欣赏人与人的不同(diversity)的思想家约翰穆勒也强调社会需要起码的共识. 然而,诚如上述,每一个思想界对支离的知识与互相不会通的折衷论或者互相反驳的政治说法有自己的看法. 英美的思想界多半以这种思想混乱的竞争为正常,

3.

3. 差异：而在国外的所见所闻,也确实证明了经历(experience)与差异(diversity)对于人生的重要性与必要性. 在今后一段时间里,我将陆续为大家献上我的见闻与感悟,希望这个系列能够为各位不辞辛劳前来访问的朋友提供些微的乐趣与帮助.

1. 多样性;多样化;多元性
    The diversity of something is the fact that it contains many very different elements.

    e.g. ...the cultural diversity of British society.
           英国社会文化的多元性
    e.g. ...to introduce more choice and diversity into the education system.
           在教育体系中引入更多的选择和多样性

2. 不同;差异
    A diversity of things is a range of things which are very different from each other.

    e.g. His object is to gather as great a diversity of material as possible.
           他的目标就是尽可能多地搜集各种材料。

1. the condition or result of being changeable

2. noticeable heterogeneity

    e.g. a diversity of possibilities
           the range and variety of his work is amazing

    Synonym: diversenessmultifariousnessvariety