The software must be both easy to use and complete.

这个软件必须易于使用和完成。

youdao

The WebSphere CloudBurst CLI gives you the capability to create a set of automated, scripted administrative tasks, and it provides an API that is both easy to use and powerful.

WebSphere CloudBurst CLI为您提供了创建一组自动化的、脚本化管理任务的能力，并且提供了一个易于使用且功能强大的API。

youdao

You can use Dublin Core to catalog all sorts of information in an effective manner that is both easy to update and easy to query and use.

Dublin Core可以有效地对各种信息编目，并且使它们易于修改、查询和使用。

youdao

The early buzz around the BlackBerry got it noticed, but RIM knew that for the product to be successful they needed to convince IT professionals that BlackBerry was both easy to install and safe to use.

CNN: How BlackBerry conquered the world

Now imagine you could have both combined into a cool easy to use site?

FORBES: Cool Site of the Day: Pinstagram (Pinterest + Instagram)

I've been testing both, and found each fairly easy to use and potentially very valuable, especially as your life gets more complicated.

WSJ: Gathering Vitals Of Your So-Called Scattered Life