最近的调查报告显示，在这些学术图书馆里有超过3亿本书可供阅读，有超过800万学生经常使用这些书籍。
Recent surveys report that more than 300 million books are available in these academic libraries and that they are regularly used by over eight million students.
有很多网上图书馆可以免费阅读书籍，比如中国国家线上图书馆和上海图书馆。
There are many online libraries where you can read books for free, such as the national Online libraries Library of China and Shanghai Library.
这种方法有一个例子，那就是利用图书馆搜索寻找书籍或其他材料，但当前的图书馆里没有相关的项时。
An example of this approach is a library search for books or other materials, when the item of interest may not be available from the current library.
应用推荐