Trust: Selection favors the ability to detect moralistic aggression. Those who perform altruistic acts without an emotional basis (generosity or guilt) may be less reliable in the future.

• 信任：天择喜欢探查道义攻势的能力。那些不依据情感基础（如慷慨或内疚）就表现利他行为的人将来可能不那么可靠。