对于潜在卖空者而言，其它形式的提价交易规则不过是公路上的一条减速带，而上述最新提议则具有更强的限制性。
Where other forms of the uptick rule present merely a speed bump to would-be short sellers, the latest proposal is more restrictive.
2007年“提价交易规则”(uptick rule)(只有在股价上涨时才允许卖空股票，从而阻止空头袭击)的废除，使无限卖空成为可能。
Unlimited shorting was made possible by the 2007 abolition of the uptick rule (which hindered bear raids by allowing short-selling only when prices were rising).
但在其他产品生产线，因客户交易限制了短期内转嫁增加的成本的能力，公司放不开手脚提价。
But with other product lines, BASF's hands have been tied by customer deals that limit its ability to pass on higher costs in the short term.
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