I'm really sorry.,I'm afraid I can't really update it today.,Good friends are married.,I'm currently living at a friend's house.,Running from home to Langfang.,And then go back really can't go back.,So I'm really taking a day off today.,Please don't blame.,Don't blame.,I'm really sorry.。

"Urban Logistics System" is really sorry for everyone, please take a day off. I am hitting it in my hand, please wait a moment,

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