一定的依赖关系(Linux文件打开、读取、写入以及关闭的概念;使用文件描述符和可以用来打开文件的模式;基本的Python结构的概念)。
Certain dependencies (Linux file open, read, write, close concepts; using the file descriptor and the modes that the file can be opened in; basic Python structure concepts).
你一定得戒烟,你每点上一枝香烟,就等于往坟墓跨近了一步。 这里的another nail in your coffin相当于中文的“催命符”,意思是有害健康、危及生命的东西。实际上人们给香烟起的绰号就是coffin nail。
You really ought to stop smoking. Every cigarette you light up is another nail in your coffin。
例如,一个标识符在某个系统中可能是唯一的,但是在整个企业范围内不一定真的唯一。
For example, an identifier might be unique within a single system but is it really unique across the enterprise?
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