Group 1 - The article discusses the development of a unique bill system in revolutionary bases during the Anti-Japanese War, which provided financial support for material supply and economic stability under extreme conditions [1] - The war economy faced severe challenges due to Japanese economic blockades, leading to a need for reliable alternative payment tools as traditional financial systems collapsed [2] - The bill system became a key method to alleviate cash shortages and maintain economic operations, with various types of bills playing critical roles in trade, financial stability, and production support [3][4][5] Group 2 - The article highlights the importance of institutional innovation in the bill system, which aimed to break economic blockades and ensure the supply of essential goods while managing foreign exchange resources [6][7] - Historical experiences from the Anti-Japanese War indicate that financial innovation must be rooted in the real economy and serve the needs of the people [8] - The article emphasizes the need for a robust regulatory framework and credit mechanisms to support the healthy development of the bill market in the current economic context [10][11][12] Group 3 - The article suggests that the cultural aspect of bill usage, emphasizing integrity and trust, played a significant role in the economic development of revolutionary bases [13] - It calls for the promotion of bill culture and the establishment of a sound market ecology to enhance public awareness and acceptance of bills [13] - The article advocates for financial innovation that aligns with national development strategies, particularly in supporting small and medium-sized enterprises and enhancing consumption [14][15][16]