不需要任何费用
costs nothing───没有成本
courtesy costs nothing───pr.礼多人不怪
costs───n.[会计]费用；损失（cost的复数）；诉讼费；v.花费；使损失（cost的三单形式）
nothing to it───[口语]不费事，不要紧; 没有道理; 没有真情；容易极了；没有什么不可以
it is nothing───没什么
It s nothing───没什么
nothing in it───半斤八两，机会相等
nothing───pron.没有什么；无关紧要的东西；（计算机数量上的）零；不值钱；adv.毫不；绝不；n.无；零；无关紧要的事；adj.没前途的；没价值的
closing costs───成交成本；借款手续费；房地产买卖手续费；（产权）转移费用，结束费用，成交价
costs nothing.───什么费用也不需要。
It costs nothing, you learn a new skill and your write... a lot.───但是你会学到一个新技能，同时也可以锻炼你的写作。
costs nothing to be polite and friendly to your colleagues.───对你的同事礼貌和友好不损失你任何东西。
It costs nothing to hide behind this defense, and who wants to admit that they were asleep at the wheel or not looking out the window?───藏在这道防线后面不会付出任何成本，而谁又愿意承认自己开车时在方向盘上睡着了，或者根本没有观察窗外呢？
It costs nothing to be polite and friendly to your colleagues.───对你的同事礼貌和友好不损失你任何东西。
Pharmaceuticals are already there, but they don't want anyone to know. It costs nothing to make a pill.───制药业早就如此，但他们不想让人知道，生产一颗药丸几乎不花钱。
It costs nothing, and yet it is invaluable.───它是非常宝贵的，无法也价值来衡量。
As Winston Churchill so memorably put it: "When you have to kill a man, it costs nothing to be polite. "───正如温斯顿•丘吉尔的一句令人难忘的话所言：“当你必须杀一个人时，不妨礼貌一点。”
When you have to kill a man it costs nothing to be polite. " - Winston Churchill"───当你不得不杀死一个人的时候不需要礼貌。“-温斯顿•丘吉尔”
Once again, however, it costs nothing to try an idea out on the screen.
As Winston Churchill so memorably put it: "When you have to kill a man, it costs nothing to be polite.
It also contain antibodies that protect her against infections - and it costs nothing!
It costs nothing to be polite ( Winston S. Churchill ).