A third possibility is that there is a reasonable probability for life to form, and to evolve to intelligent beings, in the external transmission phase.
A third possibility is that there is a reasonable probability for life to form, and to evolve to intelligent beings, in the external transmission phase.
第三个可能性是在外部信息传递阶段生命形成并进化为智慧生命存在合理的可能性。