private function get_relartlist($wd, $offset, $size, $condition) { // return Search::search_article($wd, $offset, $size); $explain_ext_config = array('is_ext_words' => 1); $explainflag = 1; return Search::search_jb_article($wd, $offset, $size, $condition, $explainflag, $explain_ext_config); }