You may have heard the phrase, "Open Source is free as in speech, 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）。”

youdao

You may have heard the phrase, "Open Source is free as in speech, 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）。”

youdao