例句1：The body’s tissues are self-repairing and self-restoring to a degree, and function best when more or less continuously active. 人体组织在一定程度上有自我修补和自我恢复的能力，有张有弛地连续活动时，其功能最佳。

例句2：If one group of people were disturbed from their eye-movement sleep for several nights on end, and another group were disturbed for an equal period of time but when they were not exhibiting eye-movements, the first group began to show some personality disorders while the others seemed more or less unaffected. 如果有两组人，一组人连续几夜在眼球队活动时被叫醒；另一组人也是连续几夜被叫醒，但是在眼球没活动时被叫醒的。结果，第一组人开始出现性格失常，而第二组人似乎没受什么影响。

问题：学生查了资料more or less有“或多或少、有点、差不多、大约”这几种翻译和意思，但不知道第一个句子对应的是哪种？第二个句子中的more or less的是几乎大约的意思吗？（例句来源于新概念4第19课）