这款手机保修一年，厂家保证所有零件都是原装的。

This phone comes with a one-year ___warranty, and the manufacturer ___warrants all parts are genuine.

这台笔记本电脑有一年的保修期。

This laptop comes with a one-year ___warranty.

她在未经批准的情况下无权擅自更改公司政策。

She had no proper ___authority to change the company policy without approval.