valuable service的意思|示意

The Gnome project has done a valuable service by providing the LibXML2 libraries and supporting Perl modules.

通过提供libxml2库以及对Perl模块的支持，Gnome项目完成了一项很有价值的任务。

Nye has performed a valuable service in rounding up and summarizing the various academic studies and theories of leadership into a single, slim volume.

在收集各种关于领导力的学术研究和理论、并将它们总结为一本薄薄的书这件事上，奈做出了宝贵的贡献。

I'm trying to see what isn't there, and in the process attempting to offer an honest valuable service.

我试图去发现不存在的东西并在此过程中，提供一种真诚的价值服务。