Sino-Japanese economic and trade relations can go from history to the present and then look forward to the future. In today's global economic integration, China-Japan economic and trade is already an inseparable integrated economy, and I hope to write from here. You don't have to write vague things, as long as you have a theory, and then look for evidence to support your argument according to this theory, plus your personal thinking, it won't just be an article full of other people's shadows.