青青：我妈下周来北京玩。    胡子：我建议你给她买张公交卡。    青青：已经买了，去旅游景点还是坐公交比较方便。    胡子：对，既低碳环保又经济实惠。    青青：而且不用为找停车位而烦恼。    
Qing Qing: My mother will come to Beijing for travel next week.
Hu zi: I suggest you buy her a public traffic card.
Qing Qing: I have bought that. It is more convenient to get the travel sites by public traffic.
Hu zi: Yes. It is not only low carbon but also cheap.
Qing Qing: And no more trouble of finding a parking space.

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The earth is home to all of us. Now that the earth is facing more and more serious problems from pollution, we should use realistic methods to reduce carbon and protect our home. Lesson Content: Qing Qing: My mom is coming next week to Beijing for vacation.

Huzi: I suggest you buy a public transportation card for her.

Qing Qing: I already bought one; to travel to see scenic places, taking public transportation is relatively convenient.

Huzi: Yeah, it reduces carbon and also has real economic benefits.

Qing Qing: And also saves the trouble of having to find a parking spot!

• traffic [´træfik]   n.交通，运输   (初中英语单词)
• convenient [kən´vi:niənt]   a.方便的   (初中英语单词)
• carbon [´kɑ:bən]   n.碳；(一张)复写纸   (初中英语单词)
• realistic [riə´listik]   a.现实主义的；现实的   (初中英语单词)
• transportation [,trænspɔ:´teiʃən]   n.运输；运送；运费   (初中英语单词)
• finding [´faindiŋ]   n.发现物；判断；结果   (高中英语单词)
• relatively [´relətivli]   ad.比较地；相对地   (高中英语单词)
• summary [´sʌməri]   a.&n.摘要(的)   (英语四级单词)
• taking [´teikiŋ]   a.迷人的 n.捕获物   (英语六级单词)