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be sure(or certain)of;with confidence我们对开好会议是~的。We are sure of the success of the Conference./等到~时才提出决议草案。We will put forward a draft proposal when we are sure of success.
英汉词典共收录311570条英汉翻译词条,基本覆盖所有常用英文单词的例句及中文翻译,是不可多得的英语学习材料。