The Testing center will preservers some samples for future reference.

检验结束后，我中心将留存部分样品备查。

All graduate students must have GRE or GMAT scores sent to us by the testing center.

所有的研究生必须要有GRE或是GMAT的成绩，由考试中心寄给我们。

Also, all graduate students must have GRE or GMAT scores sent to us by the testing center.

还有，所有的研究生必需要有GRE或是GMAT的成绩，由考试中心寄给我们。

A member of staff of Food Testing Center said, "Our staff have to work even at weekend."

食品检测中心一名员工说：“我们全体工作人员周末都不得不工作。”

When testing is over, the testing center will preserve some samples for future reference.

检验结束后，我中心将留存部分样品备查。