Net love has the features of being virtual, mysterious, private, time-space-free and idealistic. The deep reasons for it are romance, satisfaction, personality and society.

恋爱具有虚拟性、神秘性、隐秘性、超时空性和纯理想性等特点，其深层原因是浪漫心理、需要满足、人格因素和社会原因。

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Their work bore witness to the undimmed romance of space, and to the wonders that an epic government program can still accomplish.

NEWYORKER: The Martian Chroniclers