示例JSON文档{"_id":"ab85cebc-8c7a-43bf-8efc-1151ccaa4f84","address":{"city":"Bangalore","postcode":"560080","countrycode":"in","street":"SADASHIVNAGAR,SANKEYTANKRD"},"brand":"Shell","prices":[{"fuelType":"DIESEL","price":52.7},{"fuelType":"PETROL","price":67.05}]}我有大约20个文档用于brand:Shell，位于类加罗尔及其周边地区的