The library documents include books, newspapers, periodicals, and non-book materials which consist of paper-based files and electronic documents.
图书馆的馆藏文献有：图书、报纸、期刊非书资料，包括纸质文献和电子文献。
2
Try to book a non-stop flight.
尽量预订直达航班。
3
The idea quickly spread, and Todd made a wise decision to set up Little Free Library as a non-profit organization with signs that read "Little Free Library: Take a Book, Return a Book."