Trading revenues at all major banks were down significantly from the heydays before the credit crisis .

所有大银行的交易收入都比信贷危机前的鼎盛时期有显著下降。

However , what has vexed mr. obama as well as economists and policy makers is that apple - and many of its high-technology peers - are not nearly as avid in creating american jobs as other famous companies were in their heydays .

然而，困扰着奥巴马的问题，也同样着困扰着经济学家和其他政策制定者。和许多高科技同行类似，苹果并不像全盛时期的其他知名公司那样，热衷于创造美国就业岗位。