There is no extra charge for these—just plug in, select the required language and adjust the volume.

这些都不需要额外的费用，只需插入电源，选择所需的语言并调节音量即可。

youdao

Breakfast is provided at no extra charge.

供应早餐，不另收费。

《牛津词典》

Your wedding ring can be engraved with a personal inscription at no extra cost.

你的结婚戒指可以刻上个人题字不另收费。

《柯林斯英汉双解大词典》

There were almost twice as many mouths to feed - but no extra food to feed them.

VOA: standard.2010.03.30

Now let me just say in a technical way: if you decide to volunteer to nominate a novel, you'll get no extra credit.

从实际角度讲：,如果你自愿推荐一部小说，你不会得到额外的学分。

耶鲁公开课 - 1945年后的美国小说课程节选

Talk of all of those things is what we mean by the mind, but there's no extra thing, the mind, above and beyond the body.

这些能力才是心灵所表达的对象,但是离开肉体,心灵就没有意义了

耶鲁公开课 - 死亡课程节选

No extra money, no credit card, no luxuries and less waste by the government.

FORBES: Guest Post: National Sales Tax, Balanced Budget

Flat fees with no extra telephony charge is the norm in most of North America.

CNN: Cell phones aren't just for gabbing

They even require him to appear in a few TV ads at no extra pay.

FORBES: Magazine Article