A lot of people think of them as being like tools in a toolbox.
许多人认为实用程序就像是工具箱中的工具。
Without discipline, things like tools and languages are irrelevant.
没有纪律，诸如工具和语言这样的东西就免谈。
These techniques can be used like tools - they can be chosen from a toolbox and applied as necessary.
这些技术可以像工具一样被应用-它们可以从工具箱中被选出，在必要时间应用。
Products fulfilling a purpose are like tools.
产品要像工具一样能够达成某种目的。
Products fulfilling a purpose are like tools.
产品要像工具一样能够达成某种目的。
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