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4. Conclusion: The stock market is risky, so you need to be cautious when investing. It is necessary to avoid risks to the maximum extent according to the principle of adapting to your own investment and achieve investment success.4. Conclusion: The stock market is risky, so you need to be cautious when investing. It is necessary to avoid risks to the maximum extent according to the principle of adapting to your own investment and achieve investment success.

(1) = 54m, (2) = 56m, (3)First, introduce proper nouns.

Third, the principle of spatial planning and delivery.(1) = 54m, (2) = 56m, (3)