这对于创建自己的知识库实在是太方便了，而且几乎完全免费。 
The Gemini API enables Retrieval Augmented Generation (“RAG”) through the File Search tool. File Search imports, chunks, and indexes your data to enable fast retrieval of relevant information based on a user’s prompt. This information is then provided as context to the model, allowing the model to provide more accurate and relevant answers. 
Rate limits
The File Searc...