The Covid-19 pandemic has dramatically cut the amount people travel, with possible long-term effects on demand. Greg Marsden of the University of Leeds says civil engineers need to reconsider how t...

中文翻译：

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Covid-19大流行对未来旅行需求的潜在影响

Covid-19大流行极大地减少了人们的出行量，并可能对需求产生长期影响。利兹大学的格雷格·马斯登（Greg Marsden）表示，土木工程师需要重新考虑如何设计建筑材料。