They focused on keeping their room tidy, passing exams and learning how to do business.

他们专注于保持房间整洁、通过考试和学习如何做生意。

Used as a noun, housekeeping is also the department at a hotel in charge of keeping your room clean and stocked with necessary items like towels and soap.

作为名词使用时，housekeeping也指酒店里负责保持你房间清洁，并为你准备毛巾和肥皂等必需品的部门。

True cleverness means resorting to complexity when, but only when, it is called for — and otherwise keeping room open for ways of speaking and thinking that are appropriately basic and visceral.

真正的聪明意味着在需要复杂的时候，但也只有在需要复杂的时候，才会诉诸于复杂，否则就会为基本和直观的说话和思考方式保留空间。