+ He or she exhibits that core value most of the time. +/− Sometimes he or she exhibits the core value and sometimes he or she doesn’t. − He or she doesn’t exhibit the core value most of the time.
+： 大多数时间他履行了核心价值观。
+/-: 有时候他履行了核心价值观，有时候没有。
-： 他没有履行核心价值观。
