A related view is that sleep emerged to preserve energy and keep you out of trouble at night.

相似地，睡眠是为了保存能量,还能让你晚上不去惹麻烦。

耶鲁公开课 - 心理学导论课程节选

We should note that this notion, or this idea of a god who can even make and keep an eternal covenant is only possible on the view that God's word and will are absolute, insusceptible to nullification by some superior power or some divine antagonist.

需要注意的一点是,神可以签订和遵守契约,只有可能是，上帝言语和意愿是不可违背的,并不会因为高级权力和强大对手而受到影响。

耶鲁公开课 - 旧约导论课程节选

And during that time, a new kind of structure arose called news groups that is where computers on the net will be used to collect e-mails and keep them, so that other people might view a conversation conducted an e-mail, and this will be categorized by topics.

在那段时间里，一种新结构出现了,叫做“新群体“，它是连网的电脑用来,收集和保存电子邮件的地方，以便于,其他人可以查阅通过电子邮件进行的会话,它会以话题进行分类。

麻省理工公开课 - 媒体、教育、市场课程节选