至少五种场合要着晚礼服出席：盛大晚宴、舞会、歌剧院、音乐会、出席婚礼等社交场合。

You should wear evening dress when attend to at least five occasions: a gala dinner, dance, opera, concerts, wedding social and so on.

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在举办一年一度的舞会的这天晚上，朱利叶斯·博福特太太决不会忘记去歌剧院露露面。

Mrs. Beaufort, then, had as usual appeared in her box just before the Jewel Song;

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