A secondarymotivation for using volatile variables is performance: in some situations, volatile variables may be a better-performing synchronization mechanism than locking.
使用volatile变量次要原因是其性能：某些情况下，volatile变量同步机制的性能要优于锁。
2
However, students from Kunshan Secondary Vocational Schools are not so clear about the request and motivation on English learning.
然而，昆山市中等职业学校的学生对英语学习的要求和动机取向却十分不乐观。
3
Motivation from material things are secondary. Something like souvenirs, posters, photos are enough to be a kind of glories.