[经] direct marketing by personal solicitation
gè rén lián luò zhí jiē xiāo shòu ㄍㄜˋ ㄖㄣˊ ㄌㄧㄢˊ ㄌㄨㄛˋ ㄓˊ ㄐㄧㄝ ㄒㄧㄠ ㄕㄡˋ