Does the GPL allow me to develop a modified version under a nondisclosure agreement?

GPL允许我以不公开协定开发一个修改版本吗？

youdao

Years later, when Thomas J. Watson Jr. made a peace offering of a consultant gig at IBM, Aiken refused to sign a nondisclosure agreement.

多年后，当小托马斯·沃森(Thomas J . Watson Jr .)提出讲和，由ibm馈赠一个顾问职位时，艾肯还是拒绝签署一份保密协议。

youdao

And I expect that anybody who really knows what's coming has either signed a nondisclosure agreement or is prohibited from trading on the news.

我希望那些真正了解实情的人要么是签订了保密协议，要么就是被禁止向媒体爆料。

youdao

Visitors will be required to sign a nondisclosure agreement and are subject to a security screening.

CNN: Coffee with Apple's CEO? That'll be $180,000

Company A confronted the consultant, accusing him of violating his nondisclosure agreement (and being unethical).

FORBES: Let's Talk About Your Company's Trade Secrets

Fred Madden worked at Hancock and was the rare employee who refused to sign a nondisclosure agreement.

NEWYORKER: The Miner��s Daughter