[经] combination of time and usage method

shí jiān xiào yòng zōng hé fǎ ㄕˊ ㄐㄧㄢ ㄒㄧㄠˋ ㄩㄥˋ ㄗㄨㄥ ㄏㄜˊ ㄈㄚˇ