大部分标志一目了然，因为所使用的标记或是图片非常明显，就算不识字，每个人都能看懂它传达的信息。
Many of these signs are self explanatory, because the symbols or pictures used are obvious, to get a message across to everyone, even if they can't read.
大部分标志一目了然，因为所使用的标记或是图片非常明显，就算不识字，每个人都能看懂它传达的信息。
Many of these signs are self explanatory, because the symbols or pictures used are obvious, to get a message across to everyone, even if they can't read.
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