您需要这样的查询-

$args = array(
    \'post_type\' => \'post\',
    \'tax_query\' => array(
        \'relation\' => \'AND\',
        array(
            \'taxonomy\' => \'category\',
            \'field\' => \'slug\',
            \'terms\' => array( \'car\', \'truck\', \'bus\' ),
            \'operator\' => \'IN\'
        ),
        array(
            \'taxonomy\' => \'category\',
            \'field\' => \'name\',
            \'terms\' => \'Toronto\'
        )
    )
);