Can you give some advice for my little site

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I hope you can give some advice for any points such as design, Convenience, Thanks a lot. Introduction Human memory and numeracy have their limits, we usually forgot what we ate last Wednesday, how many people together, and how much we spent; even forgot when we borrowed money from friend,and how much we borrowed. If we go on like this, our money will vanish into thin air like this, left an blank memory.