Presumably the custodians of cloning technology at that historical juncture would have faced the prospect of letting previous generations of strapping men and fecund women die out and replacing them with a new population of intellectual giants.

• 很可能处于这一历史转折期的掌握了克隆技术的人会让身体魁梧的男人和生殖能力强的女人灭绝，取代以新的知识巨人。