[经] unusual and nonrecurring items

tè shū hé ǒu rán fā shēng xiàng mù ㄊㄜˋ ㄕㄨ ㄏㄜˊ ㄡˇ ㄖㄢˊ ㄈㄚ ㄕㄥ ㄒㄧㄤˋ ㄇㄨˋ