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。

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Certain services and use of facilities are low fee-based.

有的服务和使用设施实行低收费。

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Certain services and use of facilities are low fee-based.

有的服务和使用设施实行低收费。

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