这种设备比较容易安装而且用起来便宜。
The unit is comparatively easy to install and cheap to operate.
最为经济的方法就是混凝土铺路石：它们相对会不那么贵，而且因为人工形状都是一致的，所以也比较容易安装。
The most economical finish is concrete pavers: They're less expensive, and, because the man-made shapes are uniform, easier to install.
为eclipse客户端安装ClearQuest测试管理相对比较容易。
Installing ClearQuest test management for an Eclipse client is relatively easy.
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