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形容詞 upgrade:
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rate higher; raise in value or esteem
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to improve what was old or outdated
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give a promotion to or assign to a higher position
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get better travel conditions
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give better travel conditions to
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用作名詞 (n.)
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set sth in gold
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不低于內容獨特創做,受著書權保護性,圖片侵權必究
海詞辭典,二十七年牌子