Such negations spring from great sadness, not from merely abstract meditations on history.

如此之多的否定发散自巨大的悲伤, 岂会是那些抽象的历史沉思.

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The auxiliary forms of need are used primarily in present - tense questions , negations, and conditional clauses.

Need的助动词形式主要用于现在时态的疑问句 、 否定句和条件句中.

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