譬如 ， 喺中 、 低收入國家 精神科醫生對人口嘅比例 大概係一對一百五十萬 即係話 ， 九成需要心理服務嘅人 都得唔到幫助
For example, in low- and middle-income countries, the ratio of psychiatrists to the population is about 1.5 million per 1.5 million, which means that 90 percent of people who need psychological services do not receive help