没人能知道当前的收益能否长期维持
即便是有了回测,也不是说100%的把握,但比没有强太多
总之资金越多风险考虑得越细致
没人能知道当前的收益能否长期维持
即便是有了回测,也不是说100%的把握,但比没有强太多
总之资金越多风险考虑得越细致
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