"Graffiti is a way for people to express themselves when they don't feel they can do so publicly," says Joe Austin, a professor of popular culture at Bowling Green State University.

“涂鸦是一种当人们觉得无法公开表达自我时所采取的方式。”伯林·格林州立大学的流行文化教授乔伊·奥斯汀这样说。

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“Graffiti is a way for people to express themselves when they don’t feel they can do so publicly,” says Joe Austin, a professor of popular culture at Bowling Green State University.

“涂鸦是一种当人们觉得无法公开表达自我时所采取的方式。” 伯林格林州立大学的流行文化教授乔伊·奥斯汀这样说。

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But some of the party's middle-class voters regard the Euro-elections as a chance to express their environmental concerns by backing the Green party.

但是一些该党的中产阶级选民觉得欧洲选举是一个机会，他们可以通过支持绿党来表达他们对环境问题的关注。

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While it is easy to get to Pakret by bus or taxi from Bangkok, it is much more interesting to take a green flag express boat.

BBC: Take the boat out of Bangkok

Green flag express boats only sail south to Bangkok in the morning, so you will have to pay a private boatman to take you down to Nonthaburi Pier (the going rate is about 500 baht).

BBC: Take the boat out of Bangkok

The city buses are colour-coded to instantly telegraph what type of route they ply: red buses are express, green buses run short routes between subway stations and other points.

BBC: Living in: Great cities for public transport