time wasting tactics,play out time是什么意思

用法例句

A Study of the Effect of Self-efficacy on Situational Procrastination of College Students;

自我效能对大学生情境拖延的影响研究

In recent 20 years,the studies abroad indicated that procrastination has both negative and positive meanings,and can be divided into various kinds.

拖延是一种广泛流行的现象,且影响着我们生活的方方面面,但在国内并未引起研究者足够的重视。