A: Do you know what the main feature the Sydney Olympics is?
B: Of course, I know. Environmental protection.
A: Do you know when IOC put forward the issue of environmental protection?
B: Sorry, I have no idea about it.
A: Let me tell you. In 1991, at that time, Sydney put forward the slogan “environmental protection”, thus, it won the bid.
B: What a nice memory! Oh, I know that Beijing and Sydney bid for the Olympic Games together.
A: Yeah, Sydney had five strategies: save energy, save water, reduce trash, prevent pollution, and protect the environment.
B: They have racked their brain.
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