One has attempted to extend it beyond the straightforward manufacturing processes for which it was, in its early form, most suited.

有人曾经试图将价值链观点从简单制造过程延伸到其它方面，而简单制造过程是价值链最初的形式，也是最合适的形式。

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Exercise 4-3. Given the basic framework, it's straightforward to extend the calculator. Add the modulus (%) operator and provisions for negative Numbers.

练习4 - 3在有了基本框架后，对计算器程序进行扩充就比较简单了。在该程序中加入取模(%)运算符，并注意考虑负数的情况。

youdao

Exercise 4-3. Given the basic framework, it's straightforward to extend the calculator. Add the modulus (%) operator and provisions for negative Numbers.

练习4 - 3在有了基本框架后，对计算器程序进行扩充就比较简单了。在该程序中加入取模(%)运算符，并注意考虑负数的情况。

youdao