这个层次的回答包含了演讲的一些相关信息，但是它的语言明显不太通顺。
A response at this level contains some relevant information from the lecture, but is marked by significant language difficulties.
一个应用软件的构架在某些时候可以被分成有明显分界线的层次(或者组件，子系统等等)。
An application's architecture at some point can be distilled down to a series of layers (or components, subsystems, and so on) that have well-defined boundaries.
要画清楚一张IT层叠的示意图会更难，因为各个层次会越来越不明显。
Drawing a neat diagram of the IT stack will also become increasingly difficult because the layers are becoming less distinct.
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