这一点加上其他转向自由贸易的政策，导致通过海峡和哥本哈根港口的交通流量显著增加。
This, along with other policy shifts toward free trade, resulted in a significant increase in traffic through the Sound and in the port of Copenhagen.
几个因素将决定转向生物燃料的经济学，包括经济规模和在交通中使用乙醇的国家政策。
Several factors will determine the economics of moving to biofuels, including economies of scale and national policies for using ethanol in transport.
有些司机转向桥以减少通行时间，桥面因此交通趋堵，公路看来是个更好的选择，于是有一些司机又回到公路上。
Some drivers will switch to the bridge to shorten their commute, but as the traffic builds up there the motorway starts to look like a better bet, so some switch back.
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