Avoid reading in the car, particularly on winding bumpy roads. Be sure to keep eye focus mainly to front.

不要再车内读书，特别是路况颠簸的时候。最好眼看前方。

youdao

Increased urban pollution levels and the mounting death toll from motor vehicles accidents can mainly be attributed to the glut of automobiles appearing on city roads in recent years.

城市人口的增长和车祸中死亡率的增加主要是由于近年内充斥城市道路的汽车。

youdao

Parallel elevated roads allow vehicles to run on the elevated roads inversely and mainly serve the urban public transport.

并联高架路是一种车辆在高架道路上逆向行驶，主要为城市公共交通服务的道路。

youdao

Passengers use a touch screen to choose their destination and the 21 pods, which carry up to four passengers and their luggage, are laser-guided and take an average of ten minutes less than the airport buses, mainly by avoiding traffic on the roads around Heathrow.

BBC: The futurist: Heathrow��s personal transit pods

Unable to afford to live near their jobs, many workers are forced to commute, mainly by car, and thus lose hours each day on congested roads.

ECONOMIST: High-tech America

The council has limited powers, focusing mainly on civic planning, monitoring some public services and restaurants and also roads and civil construction.

BBC: NEWS | Middle East | Women appointed to Kuwait council