iPhone 4s (Siri)：“42是我启动自毁程序前留给你的时间的秒数……”。
IPhone 4s (Siri) : "42 is the number of seconds you have left until I initiate the self-destruct sequence..."
Delphi的自毁程序。在您程序中加入该程序段，当附合条件后，该程序可以自已毁了自已。
In your process of joining the program, with conditions attached, the procedures themselves can destroy themselves.
26次借阅后自毁的程序相当于让图书馆员们信奉熵。
Programming them to self-destruct after 26 checkouts is tantamount to asking librarians to embrace entropy.
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