假如你是初四（二）班班长王明，你收到了学生会发来的邀请卡，请你根据卡片的内容向班级同学说明该项活动的情况并鼓励大家踊跃参加。（字数要求：30-40词）

School-leavers' Party Invitation

Time: 6 p.m., 30th June

Place: the Student Hall

Activity: Enjoy traditional dishes, music and dancing