你的投资功力用了几年练成的？

Group 1 - The concept of "practice makes perfect" is defined as finding a logical and practical approach that can consistently succeed [1] - Investment is viewed broadly, encompassing all legal means of making money, rather than just stock trading [2] - The journey of investment is continuous, with each stage representing a version of improvement, akin to software updates [1][3] Group 2 - Many investors have experienced a long learning curve, with some taking over a decade to stabilize their investment strategies [4][5] - The importance of risk management and disciplined execution is emphasized, with some investors reporting significant improvements in their returns after adopting these principles [7] - The sentiment that investment strategies are constantly evolving and require ongoing learning is prevalent among investors [15]