Storage of goods can also play a "reservoir" effect, commoditysupply and demand balance.
还可通过商品储存发挥“蓄水池”作用，平衡商品供求。
2
The change of labor productivity also can cause the change of the commoditysupply and demand relations thus the total value quantity is changed.
同时，劳动生产率变化还会使商品供求关系变化，从而使价值总量发生变化。
3
For the suppliers of a commoditysupply interruption, same kind of PB goods can be in a certain extent, reduce because of the loss of stock losses that customers.