双方的这些变化使中非关系也有了新的内容和变化。 这些变化的主要特征是在原有的基础上更加充实和丰富。

These changes have added new contents and possibilities to China-Africa relations and the main features of these changes become more enriched and diversified on the existing basis.

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但轻博客(有时称作微博客)的特点在于随意性和丰富性，内容还包括语音、图片、视频。

But the whole point of light blogging - sometimes called micro-blogging - is to be more casual and colorful. So post lots of media: photos, video, audio.

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长城博物馆以其直观的形式和丰富的收藏内容，被誉为长城文化的教科书。

Great Wall Museum with its visual form and rich collection of content, known as the Great Wall of textbooks.

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Piaget had a rich theoretical framework, pulling together all sorts of observations in different ways, wrote many, many books and articles and articulated his theory very richly.

通过将各种观察结果,以不同的方式组合在一起,皮亚杰的理论内容变得十分丰富,他写了大量的书籍和论文,丰富了他的理论

耶鲁公开课 - 心理学导论课程节选