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Signsaroundus我们身边的指示牌

作者:张梓绚 2013-07-23

There are many different signs around us. There are some signs that are useful to you. For example, in a store, when you want to go to the toilet, there are signs that tell you where the toilet is. Sometimes there are signs that warn people about what they cant do. For example, kite flying is prohibited near high voltage cables.

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