ceremony用什麼介詞

ceremony是一個英語單詞，中文釋義是典禮；儀式，複數形式是ceremonies。The association honours authors who make the biggest impact on their business, and comedian Ricky Gervais spoke at the Brighton ceremony.圖書銷售商協會旨在表彰對圖書銷售貢獻最大的作家，喜劇演員裡奇·格威斯在布賴頓舉行的頒獎典禮上祝詞。