）与此同时，由于大规模泡沫往往持续经年，预测它们就等于要预测未来数年内会发生何事，难度堪比预测两届大选过后的美国总统人选。
And, because big bubbles last for many years, predicting them means predicting many years in the future, which is a bit like predicting who will be running the government two elections from now.