Modern China was invaded by foreign imperialism and reduced to semi-colonial and semi-feudal society. At that time, in addition to traditional hotels, there were western-style hotels and western-style hotels.
For a long time, there has been an expert programmer and community culture guru for web sharing dating back to the first sharing of minicomputers and the earliest ARPAnet pilot period in the 1960s. The people involved in this culture have created the term "hacker." Hackers set up the internet. Unix operating system hackers look like this. Hackers set up Usenet. Hackers make it work. If you are part of this culture, if you make some contribution to this, others in your circle know who you are and call you a hacker, then you are a hacker.