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原因1:投资标的过于狭窄定投所选择的基金必须是长期(至少5年)具有上涨趋势的市场或投资工具,其中以投资足够分散的全球股票指
Reason 1: The investment target is too narrow. The fund chosen must be a long-term (at least five-year) market or investment instrument with an upward trend, of which the global stocks index