So far , treasury prices have been barely dented by the political vacillation in washington .
到目前为止,美国国债价格几乎没有因为华盛顿在政治上的犹豫不决而受到影响。
However , fears about changing the status quo in the industry , and most notably about the potential of eco-cars to cannibalise sales of pick-up trucks ( a segment that dominates the market and has powerful backers ) , led to delays and vacillation .