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First, introduce proper nouns.(2): The delivery principle is compatible with the established investment concept, if it is for long-term, band, short-term and leveraged transactions, there is no same comparability.

Second, dynamic analysis.

First, introduce proper nouns.(2): The delivery principle is compatible with the established investment concept, if it is for long-term, band, short-term and leveraged transactions, there is no same comparability.# What do you think of the stock market