Emit MATCH query code for an entire MATCH traversal sequence.

def _represent_match_traversal(match_traversal):
    """Emit MATCH query code for an entire MATCH traversal sequence."""
    output = []

    output.append(_first_step_to_match(match_traversal[0]))
    for step in match_traversal[1:]:
        output.append(_subsequent_step_to_match(step))

    return u''.join(output)