Research is of considerable importance in certain fields, such as science and history.
研究在某些领域是相当重要的，如科学和历史。
-- Fred Saberhagen 弗雷德·萨卜哈根
Research is of considerable importance in certain fields, such as science and history.
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Research is of considerable importance in certain fields, such as science and history.
研究在某些领域是相当重要的，如科学和历史。
-- Fred Saberhagen 弗雷德·萨卜哈根
