剛才小息被學生叫去音樂室放KARA新歌STEP，回來經過4C班發現他們去了操場上體育課，於是我進去檢查一下電腦運行速度，C盤垃圾清理後速度已經不慢，教室沒有人開著兩部冷氣似乎有點浪費，我把它關掉了。
Just pass the recess students call me to the music room 2 play KARA's new song STEP, after that when i come back i see 4C class went to the playground PE class, so I went in to check how computer speed. after clean up disk C's rubbish now it's no too slow , and incidentally i turn off the two air conditioning cause nobody inside.