The number crunchers in Washington are expecting a budget surplus by the fall.华盛顿的统计人员预计到秋季时会出现预算盈余。Even if the recovery is under way, it may be some time before the official number crunchers confirm it.即便经济已经开始复苏，仍要过一段时间官方统计数字才能确认这一点。Cray number crunchers discovered the largest prime number.克来公司的电脑发现了世界上最大的素数。