我们为伯恩选择小的，灰色的，带有滚动边缘的混凝土铺路石。
For the Berners, we chose small grey concrete pavers with tumbled edges.
首先需要雇佣一个职业的园林设计师，移除现存的草坪，然后安装上石头或者混凝土的铺路石。
Hire a professional landscaper to come in and remove the existing lawn and install stone or concrete paving stones.
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.
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