对高效的常客客史档案系统维护实施监管。
Oversee maintenance of efficient repeat guest history system.
对高效的常客客史档案系统维护实施监管；
Oversee maintenance of efficient repeat guest history system;
我一直在对我的家庭史作一些档案性研究。
I've been doing some archival research on my family history.
我一直在对我的家庭史作一些档案性研究。
I've been doing some archival research on my family history.
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