The second is duplication, what the Pragmatic Programmers call violations of the DRY (Don't Repeat Yourself) principle.

第二个是复制，The Pragmatic Programmers中称其为对DRY(不要重复自己，Don ' t Repeat Yourself)原则的违背。

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You also want to adhere to the DRY (Don't repeat yourself) principle as much as possible.

您可能还希望能够尽可能多地坚持DRY(不要重复自己)这个原则。

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The principle of "don't repeat yourself" (DRY) mandates that, if you must create both human- and machine-readable versions of data, you shouldn't need to maintain the two data formats separately.

根据 "不要重复自己"（DRY）的原则，如果必须为数据创建人类可读和机器可读的版本，那么应该不需要分别维护两种数据格式。

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