想想把15个人聚集在一起有多困难，更不用说50个彼此关系很好的人了。

Think about how tough it is to get together 15 people, much less 50, who all get along perfectly.

youdao

显然，在诸如日本，德国，意大利这样被人口的日益缩减所困扰的国家，外出工作的女性比美国同类女性要少的多，更不用说与瑞典相比了。

What is clear is that in countries such as Japan, Germany and Italy, which are all troubled by the demographics of shrinking populations, far fewer women work than in America, let alone Sweden.

youdao

他的分析机没有成功，但它在往后的一个多世纪激励着的计算机先驱，更不用说蒸汽朋克科幻小说作家了。

His Analytical Engine was never built, but it remained an inspiration to more than a century of computing pioneers - not to mention steampunk science fiction authors.

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