The HOS and PSPS were introduced by the HKHA in 1978 and 1979 respectively, to assist low and middle income households to purchase homes at discounted prices.是什么意思_The HOS and PSPS were introduced by the HKHA in 1978 and 1979 respectively, to assist low and middle income households to purchase homes at discounted prices.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句