1, with the improvement of social economy, people's living standards have improved. From material enjoyment to spiritual enjoyment, collectibles are tasteful and classic, and can be preserved for a long time. The collection of books is in line with the society. We can interpret it as the general name of classic treasures worth collecting.

2. Collection of books also refers to a department of the library, called the Collection Management Department, which is responsible for various operations and storage of books.

The corresponding "complete translation set"

1, full translation collection.

2. The management department responsible for the full translation of books.