开始是强制性的做法？
commencement practice is not mandatory, but highly recommended to ensure that your special day goes off without any hitches. if you can’t come to practice, we recommend that you arrive to the auxiliary gym earlier on saturday so that staff members can answer any questions you may have about the ceremony. students should report to the auxiliary gym no later than 9:30 a.m. the morning of 开始.
谁对申请毕业，他或她打算走路最多可接收6张门票礼指出每个学生。门票总数是通过步行毕业生人数除以座位数确定。谁选择参加毕业典礼的学生数量变化每年。