Futures: the trading object is a standardized contract; The standardized contract made by the futures exchange stipulates that a certain quantity and quality of goods will be delivered at a specific time and place in the future. Similar to a purchase contract.

Sugar futures: It is one of the futures commodities. Futures can buy up-do more; Short selling-short selling; Two-way transaction, T+0 transaction

I guess so. If you don't know, you can know in private.