'è·åçšæ·èªæä»ç»ïŒç±äºåå²åå ïŒæè¿æ¯æè¿äžªå±æ§å«åmottoå§.
:return: çšæ·èªæä»ç»
:rtype: str'

@property
@check_soup('_motto', '_make_card')
def motto(self):

    if (self.url is None):
        return ''
    elif (self.soup is not None):
        bar = self.soup.find('div', class_='title-section')
        if (len(bar.contents) < 4):
            return ''
        else:
            return bar.contents[3].text
    else:
        assert (self.card is not None)
        motto = self.card.find('div', class_='tagline')
        return (motto.text if (motto is not None) else '')
