1. 这是不是就是所谓的“买空卖空”的卖空,卖出一张货物合同,然后等待玉米价格下跌时再买入,这时可嫌差价?
Is that what is called taking a position 'selling a parcel for forward delivery but waiting for the price to go down before actual buying.

来自互联网

2. 肯:是的,卖空的相反做法是买空
Yes. The opposite action is called "buying long".

来自互联网

3. 这个皮包公司专做买空卖空的生意。
This paper company does fictitious transactions exclusively.

来自互联网

4. 这个皮包公司专做买空卖空的生意。
This paper company does fictitious transactions exclusively.

来自互联网