GPL中的free（自由的），就如free as in speech（自由言论）中的free（自由的）的意思。
双语例句
1
You may have heard the phrase, "Open Source is freeasinspeech, not as in beer."
你也许听过这句话：“开源是自由的（free as in speech），而不是免费的（free as in beer）。”
2
Beerware licensed software would still fall under the libre (freeasinspeech) category of software.
Beerware licensed soft ware仍然是属于完全免费(Free as in Speech)范畴内的软件。
3
Even these companies have been migrating somewhat towards "freeasin beer" (gratis) software for individuals, but they tend to shy away from "freeasinspeech" (libre).