Perhaps you should try some spelling variations:
"real investment financing system." » "real investment banking system.", "real government financing system.", "real investment planning system.", "real investment financial system.", "real investment financial systems.", "rural investment financing system.", "total investment financing system.", "social investment financing system."
"direct investment financing system." » "direct investment banking system.", "direct government financing system.", "direct investment planning system.", "direct investment financial system.", "direct investment financial systems."

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