Certain services and use of facilities are low fee-based.
有的服务和使用设施实行低收费。
As technologies and the demand for certain services change, many workers will lose their jobs.
当某项特定服务的技术和需求改变时，很多工人将失业。
They are starting to trust certain web services and let them profile them.
人们开始信任一些特定的网络服务，允许它们为自己建立档案。
What is certain is that all of our content and services are free of charge.
还有一点可以确定的是，我们的所有内容、服务都是免费的。
What is certain is that all of our content and services are free of charge.
还有一点可以确定的是，我们的所有内容、服务都是免费的。
应用推荐