聘请单位发给专家的各种证件，原则上均应在专家离职出境时收回。

As a rule, CARDS of various types issued by the host institution should be taken back upon experts' leave and exit.

youdao

聘请单位发给专家的各种证件，原则上均应在专家离职出境时收回。

As a rule, CARDS of various types issued by the host institution should be taken back upon experts' leave and exit.

youdao