1. Although many people claim that， along with the rapidly economic development， the number of people who use bicycle are decreasing and bicycle is bound to die out. The information Ive collected over the recent years leads me to believe that bicycle will continue to play extremely important roles in modern society.儘管許多人認為隨著經濟的高速發展，用自行車的人數會減少，自行車可能會消亡， 然而，這幾年我收集的一些資訊讓我相信自行車仍然會繼續在現代社會發揮極其重要的作用。
2. Environmental experts point out that increasing pollution not only causes serious problems such as global warming but also could threaten to end human life on our planet.環境學家指出：持續增加的.汙染不僅會導致像全球變暖這樣嚴重的問題，而且還將威脅到人類在這個星球的生存。
3. In view of such serious situation， environmental tools of transportation like bicycle are more important than any time before.考慮到這些嚴重的狀況，我們比以往任何時候更需要像自行車這樣的環保型交通工具。
4. Using bicycle contributes greatly to peoples physical fitness as well as easing traffic jams.使用自行車有助於人們的身體健康，並極大地緩解了交通阻塞。
5. Despite many obvious advantages of bicycle， it is not without its problem.儘管自行車有許多明顯的優點，但是它也存在它的問題。
