1. Location: Finland and Sweden are both located in northern Europe, and the two countries are geographically adjacent. This geographical proximity makes the two countries have close ties in history, culture and economy.
2. Historical origin: Finland and Sweden have resisted Russian aggression together in history. This common historical experience has formed a relationship of mutual trust and respect between the two countries, and it has also become an important factor for them to be called CP.
3. Cultural exchanges: Finland and Sweden also have frequent cultural exchanges. The two countries share similar values and traditions in education system, art and sports, which further strengthens the ties between the two countries.
4. Economic cooperation: Finland and Sweden also have close cooperation in economic development. The two countries have extensive exchanges in trade, scientific and technological innovation, education and other fields, which have brought many opportunities for mutual benefit and win-win for the economic development of the two countries.
Therefore, based on geographical location, common historical experience, cultural exchange and economic cooperation, Finland and Sweden are regarded as a pair of CP (lovers).