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这是 Youtop 运营的独立目录页面,并非由 TED-Ed 或 YouTube 运营、赞助或认可。 提交更正. 你是这位创作者吗?认领此页面
TED-Ed · 发布于 2017年1月5日
Support us on Patreon: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/what-does-this-symbol-actually-mean-adrian-treharne Some of the world’s most recognizable symbols exist to sell products. Others, to steer traffic or advance political causes. But there’s one whose main purpose is to help people. You may know it as the wheelchair symbol, but its formal title is the International Symbol of Access. But what does the symbol actually mean? And what is its purpose? Adrian Treharne explains. Lesson by Adrian Treharne, animation by Kozmonot Animation Studio.