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Now, it is generally accepted that no college or university can finish educating its students by the time they graduate.
现在，人们普遍认为没有一所大学能够在学生毕业的时候教给他们所有的知识。
六级词汇讲解:
本句利用主语从句避免了人称做句子主语，类似的用法还有it is widely/commonly/generally/universally believed/accepted/held/thought/acknowledged that...。by the time在此处意为“在……之前”，如：
By the time our teacher came in，we had started speaking English.
在老师进来之前，我们都已经开始讲英语了。
除此之外，by the time还有“这时候，在此时”的意思，相当于at the/that time，如：
By the time he had lost contact with the Party.
这时他已和党失去联系。
六级词汇句型拓展:
It is generally acknowledged that the young children and the elderly are the most overlooked members of the community.
人们普遍认为社区里最容易被人忽略的群体就是老人和小孩。
It is commonly thought that our society had dramatically changed by modem science and technology, and human had made extraordinary progress in knowledge and technology over the recent decades.
人们普遍认为现代科技已使我们的社会发生了巨大的变化，近几十年来人类已在知识和技术方面取得了惊人的进步。
It is widely acknowledged that computer and other machines have become an indispensable part of our society.
人们普遍认为计算机和其他机器已经成为我们社会必不可少的一部分。
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