他们的时间是灵活的。很多人白天可以干私事，晚上和周末还在实验室干活。

来源: 随意1 于 2014-07-24 12:57:07 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Change Ad Consent