How to Use "substantiate" with Example Sentences

1. You must substantiate the following business expenses .
2. You can substantiate all this , mosley ?
3. The author also conducted a survey to substantiate the correlation analysis .
4. Eu officials are already in china investigating solar panel manufacturers to substantiate claims by european competitors of dumping and illegal subsidies .
5. From the point of view of cultural geography studying the culture island in guizhou karst area , it not only can dig the cultural connotation deeply , but also substantiate the content of the karst culture system .