Demorgan
[计] 德摩根
🗣️ 情景例句
Is there anyone else in your life?
在你生活中还有其他人吗
We are not born for ourselves.
人生非为己。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。