aa1
aa1-
AA1 was converted to a mobile passenger service center in1995 and visiting different districts to collect passengers comment on bus services .
AA1于一九九五年被改作九巴流动服务中心，定期到访各区收集乘客意见。
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Last month , Moody 's downgraded Western Australia 's credit rating to Aa1 , saying it faced a A $ 1bn hit to its budget with iron ore prices falling below A $ 90 .
上月，穆迪（Moody’s）将西澳大利亚政府债务评级下调至Aa1，表示由于铁矿石价格跌破90澳元，该地区预算将损失10亿澳元。