Listen, I was looking at the ring, and it seemed a little weird. No copyright notice on it.

听我说 我仔细观察了魔戒 看上去有点奇怪 上面竟然没有版权声明。

I gave it away for free, open source, public domain, no copyright notices.

我免赠送它，开源，公有领域，不设版权声明。

The Convention also stated that copyright did not need to be asserted, but was vested automatically in the creator.

公约还规定， 版权无需声明，即自动归创作者所有。

As long as you declare the copyright, you can use it freely, either for academic or commercial purposes.

声明版权, 就可以自由使用, 无论是用于学术还是商业目的。