[经] gain on retirement of treasury stock

cháng huán kù cún gǔ fèn shōu yì ㄔㄤˊ ㄏㄨㄢˊ ㄎㄨˋ ㄘㄨㄣˊ ㄍㄨˇ ㄈㄣˋ ㄕㄡ ㄧˋ