词: endorse支持; fullfilling有意义的; long-running长期的; Clashes of opinion意见不合; frame of mind想法; rule out the possibility排除可能性; make a distinction between区分; let us cite an illustration举例来说; to be exact准确地说; Need to be considered on two dimensions需要从两方面来考虑; Be at the root of the issue是这问题的核心; arise wide concern引起广泛关注; Be in alarm强烈支持; have divergent attitudes toward对…有截然不同的观点; Put different interpretations on 对…有不同观点; Advantages far overweigh the drawbacks利远大于弊; Cannot bear closer analysis经不起推敲; demonstrate the theory证明观点; Primary reason首要原因; undergo dramatic changes经历剧烈变化; Point out the fact指出事实; reasons blooming this phenomenon佐证这一观点的理由; there is no consensus of opinions among在…上没有一致答案; Nonetheless尽管如此; there is an old saying goes俗话说;