Sometimes the services are free and providers generate revenue from things like Web ads, and other times application providers generate revenue directly from the usage of the service.
有时这些服务是免费的，提供商从网络广告之类的项目中生成收入，有时应用程序提供商直接从使用服务中创造收入。
Free apps tend to be run 6.6 times more often than paid apps, but even with that increased usage, it is not enough to make more money.
免费程序的使用时间6.6倍于支付程序，即便如此，这还是不足以带来更多的回报。
You can find an array of different tools across the UNIX variants that report available free memory and VM usage with current usage.
您可以在各种 UNIX变体中找到一批不同的工具，它们报告可用空闲内存和VM使用情况以及当前使用情况。
The upper half of the page now has the pie chart, breaking it up to illustrate the usage of logical log as used space, free space and backed up space.
页面的上半部分现在有一个饼图，显示逻辑日志的已用空间、空闲空间和已备份空间使用量。
Rather than being guided by the fashionable elegance of iPhones or the status quo of Windows, many champions of Free and Open Source Software base their usage and support on philosophical reasoning.
自由与开源软件的许多拥护者宁可把他们的使用和支持建立在哲学推理上，而不受时尚优雅的iPhone或维持现状的Windows操纵。
In what seems to be a response, Amazon has made available a free AWS Usage Tier for new customers for one year.
似乎是作为对此的响应，Amazon为新用户提供一年的AWS免费使用方式。
By comparison, Spotify's free version is AD supported, restricted to desktop usage and caps the number of song plays after six months.
相比之下，Spotify的免费版是有广告赞助的，仅限于电脑使用，而且六个月后可听歌曲的数量就会受到限制。
Since then Apple has fixed their launch bugs and have credited all MobileMe users two extensions to their subscriptions totaling 90 days of free usage.
自那以后，苹果修复了那些漏洞，并且承诺所有的MobileMe用户可以用两个扩展来免费使用90天。
A smart phone running Skype or something similar would be essentially free of usage charges and unfettered by all the restrictions that carriers impose.
使用运行SKYPE或类似软件的智能手机不单可以免费打电话，还不用受运营商的条条款款限制。
Since he purchased the game from you, you have updated the directory record entry created when he registered with an indicator of the free usage he's entitled to.
当他购买游戏时，游戏商使用Ken可以免费游戏的标记更新在他注册时创建的目录记录。
You can determine the free space and usage for entire file systems using df, but this only gives you part of the picture.
使用df，您可以确定整个文件系统的空闲空间和空间使用情况，但这只是描述了部分信息。
The du command, instead of showing disk free space, shows disk usage information.
du命令并不是显示磁盘的空闲空间，而是显示磁盘使用情况的信息。
The app itself is free but usage costs $10 a month.
软件本身免费，但是每月的使用费为10美元。
In computer usage, to whitelist means to place a name, E-mail address, Web site address, or program on a list of items that are deemed spam - or virus-free.
在计算机应用领域，建立白名单其实就是将认为非垃圾、无病毒的姓名、电子邮件地址、网址、或者程序等信息添加入允许列表。
Although Zenity is a little more verbose-there are separate options for day, month, and year, for example-the additional switches free you from remembering the precise usage sequence of arguments.
尽管Zenity更详细一点—例如，对于年、月、日有单独的选项—其他DOS命令使您免于记住精确的参数使用顺序。
Firstly, it discusses the concept and usage and motion characteristics of free flying space robot.
首先，论述了自由飞行空间机器人的概念、用途和运动特性。
Direct access from room balcony to semi private swimming pool, DVD player, free Club Lounge usage.
房间阳台可直通半私人的泳池，DVD影音设备，免费使用俱乐部设施。
If you are interested in learning more about our AWS free usage tier, see our AWS free usage tier article.
如果你有兴趣学习更多关于我们的AWS免费使用层，看到我们的AWS免费使用层。
Free broadband Internet access with unlimited usage is available in all hotel rooms.
酒店内所有客房均设宽频互联网接口，供酒店住客免费无限使用。
This website usage is free, and we have only supplied service for departure from China at present.
本网站免费，目前仅提供从中国出港的业务。
CTO's at startups and web companies disallow the usage of products that aren't free and open source.
新创公司和网络公司的CTO不同意使用收费的非开源产品。
For this reason, some usage principles of transliteration words should be set: 1. use free translation words appropriately avoiding transliteration words;
为此，应提出音译词的如下使用原则：1。有合适的意译词，就应避免选择音译词；
In comparison with metal target LPP source, due to usage of gas-jet target LPP source, the reflectometer is debris-free and can continuously operate for a long time.
与金属靶等离子体光源相比，由于使用了气体靶等离子体光源，该反射率计具有低碎屑、可长期连续运行等优点。
This free tool provides an end-to-end performance analysis, from network and page rendering to runtime scripts and CPU usage.
这个免费工具提供了一个“终端到终端”性能分析器，从网络和页面渲染，到脚本运行时间和CPU占用率都能分析。
Limited Warranty: Watts Regulator Company warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment.
有限质量保证：美国瓦茨调节阀公司保证在正常使用状态下，每个产品在材料和工艺方面没有任何缺陷，保质期为从原始运输起壹年。
Security deposit differs from ordinary deposit in usage and purpose which should first serve the purpose and specific use of parties involved, free from third parties.
保证金存款应优先满足当事人约定的特定用途和担保目的，从而产生对抗第三人的法律效力。
You can view the current usage of disk blocks: which blocks free, which blocks are occupied by which files.
可以查看当前磁盘块的使用情况：哪些块空闲，哪些块被哪些文件占用。
It has small cutting force and is free from wear and economic in laser energy usage.
其切削力小，刀具磨损小，激光能量使用经济。
The external application of the Chitosan oligosaccharide can improve the stress resistance of the crops, is free from toxicity, causes no environmental pollution, and is simple in usage.
外施壳寡糖能提高作物 抗逆性，而且无毒不引起环境污染，使用方法简单。
The external application of the Chitosan oligosaccharide can improve the stress resistance of the crops, is free from toxicity, causes no environmental pollution, and is simple in usage.
外施壳寡糖能提高作物 抗逆性，而且无毒不引起环境污染，使用方法简单。
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