Bóyuè hé Jūnyuè dōu shì Kǎiyuè qíxià de jiǔdiàn pǐnpái.
Park Hyatt and Grand Hyatt are both hotel brands under Hyatt.
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usage
Hyatt's Chinese brand names share 悦 'joy': 凯悦 Hyatt Regency, 君悦 Grand Hyatt, 柏悦 Park Hyatt. 哈亚特 is only a sound-for-sound rendering, not the company's name. The Buick 凯越 sounds the same but is written with 越 'to surpass'.
