def fuzzy_join(objs, sep='/'):
    """Join the fuzzy_rule of the objects into one string.

    Args:
        objs (sequence): The objects each of which have fuzzy_rule property.
        sep (str): Defaults to '/'. Seperator for joining.

    Returns:
        str: The joined fuzzy_rule string.
    """
    return sep.join([p.fuzzy_rule for p in objs])