Every year I perform hundreds of operations free of cost through Smile Train.
每年我都通过微笑列车免费做几百个手术。
The cost, too, fell, because slag is free, whereas clay costs money.
因为渣是免费的而粘土需要钱，所以成本也下降了。
Superstitions are not free - there are rituals and avoidances cost.
迷信行为也不是免费的——种种仪式和避讳都有成本。
The marginal cost of producing wind power is almost nothing, since the fuel—wind—is free.
因为风是免费燃料，所以风能的边际成本几乎为零。
First, we decided to make our software free, to provide more value at lower cost.
首先，我们决定使我们的软件免费，以在更低费用的基础上提供更多的价值。
As with mobile phones, some will be free and other will cost money.
用手机连接的话，有些项目需要收费而有些项目则是免费的。
Patients work for free, the main cost being their initial training.
患者工作自由。主要的花费是最初的训练。
Without free trade, saving the planet will cost a lot more.
如果不存在自由贸易，挽救地球的代价是巨大的。
Thus, a free-of-cost license that prohibits commercial use is useless to open source developers.
因此，一个限制商业使用的免费许可对开源开发者是无用的。
The cost of servicing free users must be lower than the dollar value they provide.
这些服务成本必须要低于它们所能带来的美元价值才行。
Just because something is free doesn't mean that it has no cost.
免费的东西并不意味着没有成本。
Therefore, I had known the cost of being free for France.
我估量过法国自由的代价。
Something may appear to be free of charge, but there may be a hidden cost.
有些东西看上去不用掏钱，但总有些隐含费用。
Offered a free alternative for a previously high cost service.
提供免费服务替代了以往成本高的服务。
It's free to use (both in cost and license).
可免费使用(不管是在成本方面还是许可方面)。
Smoke-free environments cost little and they work!
无烟环境的成本低但效果佳！
Save more unnecessary cost and enjoy being a free and untrammeled backpacker.
节省更多不必要的开销，尽情享受做一个无拘无束的背包客！
This is a quick stress reducer, and free of cost.
这是一个快速应力减速器，和免费的成本。
Cost estimates and offers of any kind shall be binding and free of charge.
应当免费提供有约束力的任何种类的费用估计和报价。
Customers can download the demos and try them free of cost.
客户可以下载演示和尝试，他们免费的成本。
This application is free of cost for both personal and commercial use.
这项申请是免费的费用为个人和商业用途。
In some cities, transfers cost a little extra, in others, transfers are free.
在有些城市，可换车车票另付一点额外的，在其他的则是免费。
Happiness and luck is need cost, there is no such thing as a free lunch!
幸福和幸运是需要代价的，天下没有免费的午餐！
Happinesss and luck is need cost, there is no such thing as a free lunch!
幸福和幸运是需要代价的，天下没有免费的午餐！ ！
Happinesss and luck is need cost, there is no such thing as a free lunch!
幸福和幸运是需要代价的，天下没有免费的午餐！ ！
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