1. The report is underpinned by extensive research. 这份报告以广泛的研究为基础。
2. A big part of the secret is an extensive and expensive network of sporting academies underpinned by science and medicine. 这个秘密的一个重要部分是一个以科学和医学为基础、昂贵而分布广泛的体育学院网络。
3. This is partly underpinned by commercial logic. 这在一定程度上得到了商业逻辑的支撑。
4. His conclusions are underpinned by experimental findings. 试验结果证实了他的结论。
5. The violence is underpinned by competition for natural resources. 对自然资源的争夺,使暴力行为愈演愈烈。