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天文学的历史是一部视野不断退却的历史。
We can talk about a happening in three main ways: by describing it, by recounting its history, by telling a story about it.
可持续性不仅仅是一个选择,而是负责任企业前进的唯一途径。
The highest form of ignorance is when you reject something you don't know anything about.