“无所事事是所有错误中最大的错误，因为你只能做几乎没有做。”- 悉尼史密斯
Display this sustainability quote poster in your classroom or school to encourage students and staff to think about the environment.
阅读我们的博客45个环保教室的可持续实践有关教学的更多提示和想法Sustainability。
“无所事事是所有错误中最大的错误，因为你只能做几乎没有做。”- 悉尼史密斯
Display this sustainability quote poster in your classroom or school to encourage students and staff to think about the environment.
阅读我们的博客45个环保教室的可持续实践有关教学的更多提示和想法Sustainability。
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