请将下面这段话翻译成英文：

交通拥堵是世界各国普遍面临的问题。近年来，我国城市化水平空前加快，大中城市交通拥堵问题尤其突出，交通阻塞已由局部向大范围蔓延。这不仅影响了城市生活的效率和质量，而且带来了环境污染、能源紧张等一系列经济社会问题，严重制约了城市的发展。要想解决这一问题，良好的公共交通是必不可少的。实行低票价政策，是实现公交优先的基本保证。从长远来看，则要大力发展轨道交通(rail transportation)，降低路面拥堵。

参考翻译

Traffic jam has been a problem shared by all countries around the world.In recent years,the urbanization of China reaches an unprecedented level,which leads to especially prominent traffic jam in large and medium-sized cities.The problem of traffic jam has extended from part to a wide range.Traffic jam not only affects the efficiency and quality of uiban life,but also causes a series of economic and social problems like environmental pollution and energy deficiency,which greatly restricts the development of cities.To solve the problem,well-organized public transportation is indispensable.Low ticket price is the basic guarantee of priority of public transportation.In the long term,we must vigorously develop rail transportation to lessen traffic jam.

翻译讲解

1.世界各国普遍面临的问题：译为a problem shared by all countries around the world.“普遍面临的”在此处译为shared by，即“为…所共有的”，也可以用commonly faced by表达。

2.尤其突出：可译为especially prominent或particularly prominent.其中prominent意为“突出的，显著的”。

3.由局部向大范围蔓延：可译为has extended from part to a wide range.

4.必不可少：可译为indispensable或necessary，意为“必要的，必然的”。

5.公交优先：可译为priority of public transportation.

6.从长远来看：可译为in the long term，也可译为in the long run或over the long range.