培生集团的一名发言人告诉 BuzzFeed 新闻，“数字材料更便宜，是一项不错的投资”，它提供了音频文本、个性化知识检查和专家视频等新功能。
A Pearson spokesperson told BuzzFeed News that "digital materials are less expensive and a good investment" that offer new features, like audio texts, personalized knowledge checks and expert videos.
这个主意是为了通过使用无线数字技术来取代耗时的文书工作，使赛兰斯基所称的广泛的的“维护和材料管理”功能自动化。
Thee idea is to automate a wide range of what Shelanski called "maintenance and material management" functions by using wireless digital technology to replace time-consuming paperwork.
介绍了PV C功能材料的功能化原理和加工方法。
The functionalization principle and processing methods of PVC functional materials were introduced.
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