The most efficient transportation in your country。
参考回答:You may be surprised to find that the most efficient transportation in our country is bike. As one of the widest country in the world, there are many provinces which locate on highland that do not fit to drive a car because the roads there are too dangerous. And in the cities of prairie /?pre?ri/, there are usually traffic jams especially during rush hours. So riding a bike becomes the most efficient transportation in my country.