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How to treat Peking University postdoctoral take-out for half a year for research?
The postdoctoral fellow at Peking University made a paper and specially sent it for half a year. I think it is very encouraging to have the courage to explore practice and gain true knowledge from practice. Of course, delivery is indeed an option for me to increase my income after school, which is naturally necessary because it has something to do with other people's research projects.

Many takeaway riders are curious about why I can't make money. Why do I send a lot of bills every day, but not much money? What's the problem? This doctor from Peking University has specially studied this, and found that there are too many data black-box operations on this platform. In other people's professional terms, it is a data black box, because we ordinary workers and ordinary consumers simply don't understand the process of data operation, but people are good at it and people understand it.

The meaning of data black box is how this data is calculated and how to determine a certain state. We don't know, because these are all calculated by big data, especially when it comes to the delivery time of the rider. The platform is constantly compressing the rider's delivery time. For example, it used to be 3 kilometers from merchants to consumers, giving riders 40 minutes, but now it has been shortened to 35 minutes, 30 minutes or even 25 minutes, more and more.

Some people may think that it is not good for riders to deliver less time and make them more efficient. Actually, it's not at all Shorter delivery time means you can't make mistakes halfway. If you make a mistake or get stuck in traffic, or an order goes wrong, you may delay delivery. Delayed delivery will deduct some of your delivery costs, and even get bad reviews from customers, resulting in these orders being delivered for nothing recently. Even if there are some accidents in 40 minutes, it can be delivered to customers on time. It doesn't matter if you send it in advance.