This can be valuable in explaining the software to non-developers or it could be useful documentation for when a software design needs to be learned by others and modified later.

这对于跟非开发人员解释软件的运行来说非常之有用，同时也可作为针对后来者或者代码修改人员的一份很有价值的文档说明。

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Along with many other valuable or useful things, they were carried off to Baghdad.

BBC: Museum displays Indian treasures

We love ETFs, but they are not all equally valuable or useful.

FORBES: ETFs Are Friendly On Fees But Not Always Your Best Bet

None of these criticisms are particularly wrong, but none of them strike me as particularly valuable, useful, or inspiring.

FORBES: The World Needs More 'Cultish' Stunts Like The DC Starbucks "Come Together" Decree