Technology made businesses more efficient, but also made some jobs obsolete.
技术使各行各业更有效率，但一些工作岗位也因此陈旧过时。
In the course of exploration, he made a detour, and there was a hard lesson, but also made some very valuable ideas.
在探索过程中，他走过弯路，有过沉痛的教训，但也提出了一些极其宝贵的新思想。
He said the research showed meaningful connections could be made online, but also some "needs and responses" could not be met via computers.
他说这项研究展示出了线上可以产生有意义的联系，不过一些需要和反应通过电脑还不能实现。
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