A large part of the buying, especially in the oil markets, was fed by speculators who believed demand would only soar.
大多数投资者选择做多，特别是原油市场，一度吸引了那些坚信需求仍将高涨的投机者。
Expanded video on demand in the online store, offering customers streaming access after buying select movies on Blu-ray or DVD.
扩大网上商店视频点播需求，在客户购买特定蓝光或DVD电影后向其提供视频流媒体服务。
Seat belts are the only mandatory equipment, and the increase in car buying hasn't boosted demand for airbags or anti-lock brakes, automakers said.
安全带是强制安装的设备，但是增加的汽车购买者并没有对安全气囊或防抱死制动系统的需求，汽车制造商说道。
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