[西红柿酸]

Receipt of your original BEng final degree certificate, or an attest true copy, in a sealed and endorsed envelope directly from *** University.

成绩单是从学校办出来给他们的；学位证书都是在自己手上，清单上开始没有要求；请问他们是不是要把学位证封在学校的信封里呀？