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Symbols
标记
Symbols express some ideas with designs.
标记能表达设计的一些想法。
Where can you find symbols easily?
你在哪儿能轻易地找到标记？
You can find them on maps.
你可以在地图找到它们。
Also you can find them on traffic signs.
也可以在交通标志上找到它们。
On maps, you can find symbols for mountains, bridges, subways, schools and bus stations.
在地图上，你可以找到山脉、桥梁、地铁、学校和公交车站的标记。
Also, traffic signs are very important symbols.
同时，交通标志也是非常重要的标记。
They have to be simple and easy.
它们必须简单容易。
It is necessary, so the drivers are able to read traffic signs very quickly.
这很必要，这样司机才能迅速地解读交通标志。
