disappointment and regret meaning in English

失望与遗憾

Mtrcl to extend and improve the existing interchange fare discount arrangement between wr and mtr , and that the panel expressed disappointment and regret that mtrcl had yet to respond positively to the request for extending and improving the existing interchange fare discount arrangement
地铁延续及改善现时西铁与地铁之间的转乘优惠安排，而事务委员会亦对地铁至今对延续及改善现时的转乘优惠安排仍采取不积极的态度表示失望和遗憾。
Mtrcl to extend and improve the existing interchange fare discount arrangement between wr and mtr , and that the panel expressed disappointment and regret that mtrcl had yet to respond positively to the request for extending and improving the existing interchange fare discount arrangement
地铁延续及改善现时西铁与地铁之间的转乘优惠安排，而事务委员会亦对地铁至今对延续及改善现时的转乘优惠安排仍采取不积极的态度表示失望和遗憾。