Fortunately , there is a'uniquely rational way'for us to communicate with other intelligent beings , as Walter Sullivan has put it in his excellent recent book , we are not alone .
幸运的是，我们有同其他智能生物通讯的某种独特的合理途径，正如WalterSullivan在他杰出的新作《我们并不孤单》里提出的那样。
Walter Sullivan