learning and teaching (11)

https://wodewangzhishime.blogspot.com/2021/12/httpswodewangzhishime_54.html
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Ref:  https://wodewangzhishime.blogspot.com/2021/11/httpswodewangzhishime_12.html

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if (dial = John's elder brother)

{

Bind (physical address, the person being called);

Bind (physical address, Kelvin); <----- Kelvin hack the telecom and add an extra code here. 

}

else

{

Bind (physical address, the person being called);

}

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John: Have a look.  https://wodewangzhishime.blogspot.com/2021/07/httpswodewangzhishime_78.html?m=1 . The matter isn't over yet. Mr. Leung and Mr. Ho-ChunYan make fun of my elder brother. Finally, my elder brother give a phone-call to the police. My elder brother request a meeting with them.  Unfortunately,  this phone-call is eavesdroped on by Kelvin. You guess what happen ?

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Kelvin: Yesterday,  John's elder brother gave a phone-call to you. He requested a meeting with you. 

Mr. Yeung (the police): How do you know that ?

Kelvin: All the phone call of John's elder brother are surveillanced by me.  Of course,  I know that.Do you wanna learn how to hack the telecom ?

Mr. Yeung:  Yes,. . 

Kelvin : Good.  Next week when John's elder brother come,  you tell him, "I'm not interested in your case. It's too trivial. ". 

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