立交桥: overpass, flyover...
愚昧: ignorant, uneducated, ignorance...
历史: history...
敲边鼓: to back sb up, to support sb in an argument, (to beat nearby drum)...
昂贵: expensive, costly...
举一反三: to raise one and infer three, to deduce many things from one case (idiom)...
衔接: to join together, to combine...
幸免: to avoid (an unpleasant fate)...
运作: to operate, operations, workings, activities (usu. of an organization), thread (computing)...
照例: as a rule, as usual, usually...
