In the centre of the hall, there were a number of tall structures which contained coloured lights.These lights flickered continuously like traffic lights which have gone mad.这里因为是比喻的缘故,所以跟上下文没有关系吗?
“Advertising often serves as an indicator for what society considers to be socially acceptable and desirable at the time,” US marketing expert wrote on the Ad Council’s website.特别是what的用法弄不明白。