12-7 ·

12-7 · And the space exploration will be necessary. Of course it's very easy to do that.

12-7 · • How would immortality change our concept of work, careers, and retirement? Would people work for centuries, or take breaks that last decades?
Maybe the concept of retirement would die out, because people would not be too frail to do anything....

12-7 · 回复 @lizhenxuan：At least you can show these dangerous sports.

12-7 · 如题

12-7 · And congratulations on becoming the 53rd old user of Purasbar!

12-7 · Haha, maybe exam will be not necessary for you then.

12-7 · 侃吧或许至少还有一个人对此感兴趣，不过他现在主要在侃吧发钢铁雄心的内容

12-7 · 可能没人建立
我以前听过一些（不过按现在来看都算老歌了）
要不要考虑建立一个？

12-7 · Me too.