Competitors should be the solo original author of their works, and assure the legal copyright.

参赛者必须是参赛作品的独自原创作者，并保证其拥有该作品的合法著作权。

youdao

Competitors should be the solo original author of their works, and assure the legal copyright.

参赛者必须是参赛作品的独自原创作者，并保证其拥有该作品的合法著作权。

youdao