def is_length_immunity(item):
    """
    Judge whether follow the length rule. Rewrite it when possible.

    :param item: item dict.
    :return: bool.
    """
    if item['title']:
        if item['title'][:4] == '综合消息':
            return True
        if item['title'][:2] == '综述':
            return True
    else:
        print('Missing title!', item)
    return False
