People often dislike effort and avoid it when they can, but effort can also imbue tasks with meaning. This is the case for real-life tasks, but also novel tasks devoid of true purpose. Why does effort feel meaningful, under what conditions, and for whom?

中文翻译：

---

努力是有意义的

人们通常不喜欢努力并尽可能避免努力，但努力也可以赋予任务以意义。现实生活中的任务就是这种情况，但没有真正目的的新任务也是如此。为什么努力感觉有意义，在什么条件下，对谁来说？