17. It is widely acknowledged that computer and other machines have become an indispensable part of our society, which make our life and work more comfortable and less laborious.

　　人們普遍認為計算機和其他機器已經成為我們社會必不可少的一部分。 它們使我們的生活更舒適，減少了大量勞動。

　　18. At the same time, along with the benefits of such machines, employees must study knowledge involved in such machines so that they are able to control them.

　　同時，隨著這些機器帶給我們的好處，員工們也必須要學習與之相關的知識以便使用它們。

　　19. No one can deny the basic fact that it is impossible for average workers to master those high-technology skills easily.

　　沒有人能否認這一基本事實：對于一般工人來講，輕松掌握這些技術是不可能的。

　　20. In the second place, there seem to be too many people without job and not enough job position.

　　第二方面，失業的人似乎太多而又沒有足夠的工作崗位。(超循環背誦大表)