"One" means "some human being"

来源: 于 2004-11-12 13:56:53 [旧帖] [给我悄悄话] 本文已被阅读：次

My "One can get there in 30 years" means.
If human being makes the efforts and it is worthwhile, human being can set foot on the Mars in 30 years.

By an optimistic calculation, a missle can reach Mars in two weeks.