C1457 There Is Nothing to be Said

"Yunfei, how long will it take to go abroad this time?" said.

"Half a month. Come back before New Year's Day!" Guan Yunfei said.

"Yes." You've been gone for half a month. By the end of the year, you must not relax your department's work. " said.

"I'll keep in touch with the department a lot, and they'll report to me every day!" Guan Yunfei said, "Actually, during the days I've been studying