Asweknowitisnoteasyt的精选

问题详情：Asweknow,itisnoteasytobuildasatellite.Buildingatraditionalsatellitenormallytakesyears.Thecostscanbeashighas$250millionormore.Mostmembersofthedesignteamshaveworkedinthefieldforalongtime.Theyhol...