我们认为，纯粹的利他主义要求一个人不计个人得失为另一个人作出牺牲。

Pure altruism, we think, requires a person to sacrifice for another without consideration of personal gain.

youdao

既然B在此情景下的成本纯粹是心理上的，那么B以外的任何一个人，比如法院，如何得知B的成本一定会是什么？

For, since b's costs in this case are purely psychic, how can anyone but b, say a court, know what b's costs would entail?

youdao

然而，对于纯粹人工任务，将是另一个人而不是某个计算机应用程序满足该服务请求。

However, with a pure human task, another human rather than a computer application fulfills the service request.

youdao