In Shanghai, there're mainly four means of transportation,the underground, taxis, buses and electric bikes. The underground is much faster than taxis and buses. Buses are the cheapest but the slowest of the four. Taxis run more quickly than buses, but they are more expensive. Now, more and more people choose to use electric bikes. The electric bike is both clean and mobile. It also saves money. It is the most convenient means of transportation.
篇，上海39篇，主要有四种交通工具，地铁、出租车、公共汽车和电动自行车。地铁比出租车和公共汽车快得多。公共汽车是四辆中最便宜但最慢的。出租车比公共汽车跑得快，但它们更贵。现在，越来越多的人选择使用电动自行车。这辆电动自行车既干净又轻便。这样也省钱。这是最方便的交通工具。