Normally, on a groomed moderate pitch these skiers draw continuous parallel and equally deep trenches similar to the ones depicted below.

通常，在中等坡度的机压雪道上，这些滑雪者会留下连续、平行且深度一致的轨迹，如下图所示。

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Sean's continuous mourning of his dead wife puts the doctor and his patient in equally-tenuous psychological territory, and, if you've ever seen "Ordinary People, " you've seen most of this relationship before.

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