remove作动词是移开、清除的意思，做名词是距离差距的意思
He removed his hand from her shoulder（他把他的手从她肩膀上移开）
She can know the world only at several removes（她只能间接地认知这个世界）。
removal是一个名词，移除的意思，例如:
he had surgery for the removal of a tumour（他做了手术移除肿瘤）
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