Life value can be realized just through self-choice which leads to social progress.
自我选择是实现人生价值的重要途径，并构成了人类社会的进步。
2
Taking self-existence as premise, self-choice is based on situation that undoubtedly exists in both time and space.
自我选择以自我存在为前提，然而却以境况为奠基，而境况无非存在于时间和空间之中。
3
This paper considers that leisure, as one of self-choice and self-actualization life styles, is one significant mechanism of self-identity in the prevalent predicament.