[经] free in and out and free taxes

chuán fāng bù fù dān zhuāng xiè yòng hé shuì kuǎn ㄔㄨㄢˊ ㄈㄤ ㄅㄨˋ ㄈㄨˋ ㄉㄢ ㄓㄨㄤ ㄒㄧㄝˋ ㄩㄥˋ ㄏㄜˊ ㄕㄨㄟˋ ㄎㄨㄢˇ