如果你想了解更多关于空间的知识，请阅读《时间简史》这本书。
If you want to know more about space, please look through the book A Brief History of Time.
如果你想了解更多关于话题的想法，可以点击这里。
If you want to read more ideas about the topic, you can click here.
如果你想了解更多，我强烈推荐下列资源。
I strongly recommend these resources if you want to read more.
应用推荐