有一些专家声称在成本消减和成本避免方面存在差异。
Some financial experts claim there's a difference between cost savings and cost avoidance.
一些专家声称，父母经济上的支持是他们愿望的展示。
Some experts said the parents' financial support is a demonstration of their hopes.
然而一些专家声称，北京骑自行车的人均数较十年前下降了60%。
BUT some experts say the average person in Beijing travels 60 per cent less by bike than 10 years ago.
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