翻译：自毕业以来，我一直从事市场策划、活动策划的相关工作

问题描述：

自毕业以来，我一直从事市场策划、活动策划的相关工作，也许是因为工作的的关系，乐观向上、与人交往，拥有很强的团队意识，是我的长项。

问题解答：

Since graduation, I have been engaged in marketing, planning activities and other related works, with a strong sense optimistically of team work,communication, which is my advantage that perhaps got from my job.