在火车上居住还有一个学术目的：米勒正在一个博客上记录这段不寻常的经历。
Living on a train is also supposed to have an academic purpose: muller is documenting the unusual experiment on a blog.
在火车上居住还有一个学术目的：米勒正在一个博客上记录这段不寻常的经历。
Living on a train is also supposed to have an academic purpose: muller is documenting the unusual experiment on a blog.
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