This simply means that each playing area of a hole is set on a relative high point, letting the natural drainage patterns fall between these high traffic spots.

简单的说，就是每一个打球区域都设置在相对较高的地方，让自然的排水从这些高活动区域中间流走。

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Disturbance of the bedrock changes drainage and runoff patterns, which may increase the rate of erosion. Trenching is the exploration activity that most disturbs bedrock.

干扰的基岩排水和径流的变化模式，这可能增加侵蚀率。挖沟是勘探活动，大部分干扰的基石。

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Know your yard: how big it is, where the sun falls during the day, the drainage patterns and where you might want screening from neighbors.

CNN: X-rated yards save the environment

"There needs to be an urgent review of drainage on the A55 taking into account the age of some sections of the road and our changing weather patterns, " he added.

BBC: A55 flooding 'needs urgent review' says AM Aled Roberts