intellectual activity

基本解释

The main reason for this is that the weight of conversation-which is essentially an intellectual activity-is far greater in online relationships.
主要原因是网上交谈--本质上是智力活动--在互联网关系中占极大份量。
They also served to show me that intellectual activity was rewarding when the correct answers were found, but perhaps more importantly it was great fun.
当我找出正确答案时，我会觉得这种智力活动是值得一做的，或许更重要的是，那是巨大的乐趣。
It is central to a well-rounded education because it teaches important ways to think about and solve problems; it is a cornerstone of education and intellectual activity.
它教授学生思考和解决问题的重要方法；它是教育和智力活动的基础。

His life has all the look and sound of a fully respectable intellectual activity, rather like, one feels uneasily, the life of a string theorist today.
NEWYORKER: Moon Man
What seems to be attractive in science is no longer its being a high intellectual activity, a continuous human search to represent and predict nature, but for what it can produce in terms of controlling, and therefore in terms of power, of mankind on his sorroundings and his fellows.
UNESCO: Science Policy and Capacity-Building
The bigger question is, how do we build a culture that values intellectual and artistic activity at a higher level, and where people are invited and expected to challenge and improve their own capabilities?
FORBES: Interviewed At Psychology Today