They can tell you that they receive 20 calls every day from customers who donâ t understand how to set up a printer, but hardly any calls about how to actually print a document.
例如,他们会告诉你说,他们每天会接到20通客户咨询电话,询问如何设置一台打印机,但是几乎没有客户会打电话来问如何把某个文件打印出来。
I mean they take up a teeny bit but essentially when we're thinking about the set up of the atom, we don't have to account for them as using up a lot of the mass we're discussing.
所以我们可以假设电子没有质量,它们占据了,非常小的一部分,所以当我们考虑,原子的构造的时候,不用考虑它们的质量。
For our purposes, I think that won't be crucial, and so I'll sometimes talk about this set of abilities without actually having a canonical list.
但鉴于课程的目的,这点并不在我们的讨论重点之内,所以我也许偶尔会提及人的这些能力,但并不会把它们详尽地列举出来
That's why it's using set braces, so don't worry about that.
这也是为什么字典用了集合的括号的原因,因此对这一点不用担心。
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