說它建在平地上, 有點兒說不通, 因為部分區域是在坡地上, 不是整個城鎮都在平地上. If It is in regards to the way I assemble the produced goods for making up a shipment, then I'd personally use "in". Have a business goal to the pilot with baseline problems and income, Price, and advantage impacts. Be prepared and ready to articulate this https://msmsolutions.com/how-to-implement-rfid-in-your-operations-start-with-a-pilot/