Gold has little utility except as a store of value, unlike most commodities (like oil, which is consumed as quickly as it's extracted and refined), so its supply/demand schedule has unusual traits.

黄金的实用性不大，除了用于储存价值，这与一般商品不同（如石油，它的消费速度和开采和精炼的速度一样快），因此它的供应 /需求时间表有独特的特性。

youdao

The industry wants the FAA to use demand to better schedule furloughs, which "could include managing furloughs on an hourly basis, as opposed to by the day, " said Airlines for America spokeswoman Jean Medina.

WSJ: Airlines Dispute Planned Air-Controller Cuts

The Samsung netbook N150 is currently available in market with HSPA 3G communications and WiFi access and will become commercially available with LTE according to service schedule and market demand.

ENGADGET: Samsung shows off LTE-packing netbooks at MWC

This permits Deere to schedule output close to demand.

FORBES: Bucking the downtrend