Highlight the Important Dimensions

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But it's not true. You can't show it at all. Do you understand that the protagonist in your novel is like a fool?

Already collected, cheers for the author

When an individual truly travels back in time, you will find that you can only rely on "foresight" to make some money or avoid some natural and man-made disasters. The general environment is difficult to change. It would be better if the time traveler has some professional knowledge, such as being good at mobile phone research and development and understanding network technology, which can promote the development of the mobile phone industry. Otherwise, even if you go back to the past, the circle of change you can make is very small, very small...