LED lighting has long held the promise of being able to integrate light into places that were impractical or impossible using traditional lighting technologies.
长期以来，传统照明技术还是无法将光源安装在不切实际的位置上。
In the textile industry, we always had new machinery that held the promise of increasing our profit, but it never did because everyone else bought the same machinery.
在纺织行业里，经常有新的机器出来，承诺提高我们的收益，但这其实并不能提高我们的收益因为别人也都买了那些新机器。
In 1900–10, elections were proposed at the subprovincial level, to be held in 1912–14, with the promise of an elected national assembly to come.
1900年至1910年间，提出省级以下水平的选举活动，在1912年至1914年间实施，并承诺由国民选举产生的国民会议。
The promise of gene therapy has long been held up by the lack of a safe and effective way to insert the desired therapeutic genes into the right cells.
基因疗法曾经由于缺少安全和有效的方法将治疗性基因转导入细胞内部而被认为没什么发展前景。
The move had been held up by some Senators until Libya made good on its promise to fully compensate the families of victims of terrorist acts in the 1980s.
向利比亚派驻大使曾一直受到一些参议员的抵触。直到利比亚信守承诺，对在上世纪80年代发生的恐怖活动中遇难者的亲属作出赔偿。
The move had been held up by some Senators until Libya made good on its promise to fully compensate the families of victims of terrorist acts in the 1980s.
向利比亚派驻大使曾一直受到一些参议员的抵触。直到利比亚信守承诺，对在上世纪80年代发生的恐怖活动中遇难者的亲属作出赔偿。
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