Meaning 1: If the number of empty orders increases, it will definitely increase, but at this time, the price is falling, indicating that the willingness to increase empty orders is very strong, so it is directly said that the number of empty orders has increased.

Meaning 2: refers to the positions of the top 20 members of the contract, and the increase of empty orders refers to the increase of empty orders held by the main members. This can guide the prediction of the future situation to some extent.