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話題——可持續發展類（城市交通）

核心詞組：

private car私家車

traffic jam交通擁堵

fog and haze霧霾

hazy weather霧霾天氣

energy consumption能源消耗

clean energy清潔能源

alternative energy替代能源

low-carbon technology低碳技術

health健康

green commuting綠色出行

public transportation公共交通

sustainable development可持續發展

emission of carbon碳排放

low carbon life低碳生活

carbon dioxide二氧化碳

green economy綠色經濟

circular economy循環經濟

effective measures有效措施

the amount of carbon emission碳排放量

long-term environmental health長期的環境衛生

short-term rapid economic development短期快速經濟發展

natural resources自然資源

heavy transportation pressure沉重的交通壓力

alleviate the traffic jam緩解交通壓力

observe traffic regulations遵守交通規則

break traffic regulations違反交通規則

As is portrayed in this picture, two snails are climbing up a tree freely, and the higher one looking at a flow of cars being caught in a traffic jam, said to the other that “come on, see the crowded cars, they are slower than us”.

What the picture is intended to convey is thatthe swift development of private car meets with the requirements of public traffic, but also arouses the negative externality. Heavy transportation pressure in many cities may bring much inconvenience to people and exert adverse impact on the environment. On the one hand, when traffic jam happens, short distance in the past now seems to become terribly long, and drivers could do nothing but to wait. Therefore, a lot of precious time has been wasted on the road. On the other hand, exhausted gas emitted by cars has increased the burden of environment, especially air pollution. And therefore, the health impact of the pollution is becoming a bigger concern in china's smoggy capital.

Therefore, effective measures should be taken to alleviate the traffic jam. Firstly, planned development of the number of private cars should be carried out. Secondly, public transportation such as buses and subways, which are low-carbon transportation means, should be encouraged and promoted. The effective implementation of the measures must benefit the coordinated development of society and economy, environment and ecology.