real literal的意思|示意

Product Semantics solely from the literal or theoretical level is not difficult to understand, but the real applied to product design is not a simple matter.

产品语意学单从字面或理论层面并不难理解，但是真正运用到产品设计中并不是一件简单的事情。

This technique is sound programming practice in C. it helps prevent real bugs, because putting the literal on the right-hand side makes this always return true.

这项技巧是c语言中一项著名的编程实践。它能帮助避免出现真正的bug，因为若将文字置于右端，将始终返回true。

And while it's not a literal place, it is very real.

而且它不仅是一个“名义国”，它是真实存在着的。