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China is headed for a much bumpier landing than the global economy would like .

相比全球经济，中国经济面临更为颠簸的着陆。

That may mean safer roads , but it also means a bumpier , less vibrant economy .

这意味着公路比较安全了，但同时也意味着经济之路则更加崎岖不平，缺乏生气。

But the decline is a lot bumpier than the rise : the ph difference from one year to the next is frequently greater than the change in average ph levels over 20 years .

但其下降曲线的振幅却比上升曲线的振幅的大得多：ph值的年际变化常常要比20年平均ph值的变化要大。

Should it disappear , the transition to a multi-currency system would be lengthier and bumpier .

如果欧元消失，向多极货币体系的过渡道路将会更加漫长，也会更加颠簸。

I think it was bumpier than we expected , and because it is such a long , fast corner if you don 't get the line exactly right or lift or accelerate at the wrong moment you will get bounced off the circuit .

我认为它比我们预计的要颠簸一些，而且由于它是一条很长的快速弯，如果车手的行驶线路不准确，或者在错误的时刻加减速，赛车就会被弹出赛道。