uk engineering start-up raises fears of frothy valuations
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　　A London-based online fashion retailer has become the latest British start-up to be valued at $1bn, sparking renewed fears that the UK’s tech sector is overhyped.
　　
　　英初创企业估值引“泡沫”担忧
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　　总部位于伦敦的一家在线时装零售商成为最新一家估值达到10亿美元的英国初创企业，这再度引发各方担心英国科技行业被炒得过热。