Most books have small print-runs, pushing up their price.
大多数书的印刷量都很小,这就推高了它们的价格。
Some blame the rapid growth of gold ETFs for pushing the bullion price to record peaks in late 2009.
有人指责黄金ETF的快速增长是2009年底推动黄金价格达到新高的主要原因。
These analysts were early in spotting a rise in demand in China this spring and believe demand will stay strong, justifying the current oil price and possibly pushing it higher.
这些分析师早在今年春季就发现了中国需求上升的迹象,并认为需求还将继续保持强劲,这为目前油价所处的水平提供了充分的理由,并可能继续推高油价。
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