Part-time and sessional work is common .

兼职和定期工作是很常见的。

Each student has to pursue two sessional courses .

每个学生必须修习两门持续一学年的课程。

Sessional working group on detention ;

拘留问题会期工作组；

The ginseng that world rich meets exhibits form and sessional activity .

世博会的参展形式与会期活动。

Provide guidance on the proposed dates for the two regular sessional periods in 2013 .

就2013年两届常会会期的拟订日期提出指导意见。