1. The evidence provided by the documents of British and French colonies is not definitive. 英国和法国殖民地的文件所提供的证据并不是决定性的。
2. Models from economics and demography become the definitive tools for examining the financial base of social security. 来自经济学和人口学的模型成为检验社会保障财政基础的最权威工具。
3. The definitive version of the text is ready to be published. 正式的文本很快就要发表了。
4. No one has come up with a definitive answer as to why this should be so. 至于为什么该这样,还没有人给出明确的答复。
5. There's never been definitive proof that treatment with very bright lights makes a difference. 从来没有明确的证据表明,使用非常明亮的灯光进行治疗会有所不同。