So there may be, in the long run, no reduction whatever in the outputof that commodity.
因此，在长期中可能并不存在该产品产量的任何下降。
2
For each commodity, your program should output the name of the commodity and the lowest, the average and the highest prices of successful deals in one line.
对于每个日用品，你的程序要在一行内输出：成功交易的商品名、最低价、平均价和最高价。
3
As stretch film is a commodity product it is of most importance that a modern stretch film line ensures high output capabilities.