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Rule of Economy: Programmer time is expensive; conserve it in preference to machine time.
经济原则：宁可多花机器一分，也不浪费程序员一秒。
youdao
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The use of the program is convenient, and it can save much machine time.
编出的程序使用方便，很省机时。
youdao
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The use of the program is convenient, and it can save much machine time.
编出的程序使用方便，很省机时。
youdao