They healthy person can do that happily only7 due to himself is a person, they alive, so they happy, and enjoy theirselves.

健全者能够做到仅仅因为自己是个人，自己活着，就高兴活着，欣赏自己。

In the time of knowledge economy, making intellectual workers be willing to devote theirselves to their firm will be one focal point of firm management.

在知识经济时代，如何使知识工作者自愿为公司奉献将是企业经营的一大重点。