This has to do with flexibility and the ability to alter the actual service provider who implements a service once their quality of service dwindles or they fail to provide the required functionality.
这涉及到在实现服务的实际服务提供者的服务质量下降或者他们不能提供所需要的功能时改变实际服务提供者的灵活性和能力。
Some test-takers will only fail TOEFL once in their whole lives, then they won't have enough nerve to fail the second time.
有些考生考托福一辈子只会失败一次，再也没有失败第二次的勇气了。
Their shape, whatever it may be, is a temporary accident: but once destined for production, they do not fail to find a way of transforming themselves into things capable of being applied to it.
一旦被指定用于生产，它们就会以某种方式转变成能够应用于生产的东西。
Their shape, whatever it may be, is a temporary accident: but once destined for production, they do not fail to find a way of transforming themselves into things capable of being applied to it.
一旦被指定用于生产，它们就会以某种方式转变成能够应用于生产的东西。
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