What is published on this website is meant to be passed on. This page states what that permission covers. It supplements our 条款与条件, whose section on the rights to content refers to it.

允许做什么

The content of this website, in particular texts, images, videos, PDF and presentation files, may be copied, downloaded, printed and shared

• free of charge and for non-commercial purposes,
• unchanged, and
• with this website named as the source (a link to the page is enough).

What needs our prior consent

• translations and other adaptations;
• any commercial use, for example selling the content or using it to advertise.

特殊课程

This permission does not apply to content that is expressly marked as restricted or not for distribution.

联系我们

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