Explanation: That the series of copy received diligently, day and night non-stop cold and heat.
No. 2
That the diligent collection of copy, non-stop day and night, summer and winter. Yuan Huang Jin "Lee baishishan room theme" Poetry: "Lu notes snow Compilation long richer, HOU 30 000 Ho Chi Ye axis." Also as "Lucy Compilation Snow notes." Zhengyi Mei "<thin Yu Chen Ci chronological> order": "Lu Compiling Snow notes, numerous as Zhi."