What does centralized purchasing mean?

The meaning of centralized collection: (dynamic) collection; Collection: ~ plant specimens.

Pinyin: JC?I

Introduction: Yang Xiongshu: "It belongs to Wen Ziyun's unique collection of ancient sayings, which is thought to be fifteen volumes."

Stroke:

Synonym:

First, the collection? [Su jí]

Let's get together.

Qin Mu's "Flower City Picking up Shells on the Beach": "There are some' shell fans' who specialize in collecting shells."

Second, collection? [Sulu]

Search and collect (record (people or things) everywhere and gather together).

Zhu Guangqian's Records of Art and Literature: "Lai Gutang's Footprint Notes are rich."