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罗斯:
Is there a ballet performance tonight? 
今晚有芭蕾舞表演吗?
凯茜:
Yes.
是的.
罗斯:
When does the curtain go up?
几点开演?
凯茜:
7:00 p.m.
晚上7点.
罗斯:
It`s a shame I can`t come on time. My business meeting ends at 7:30.
真遗憾.我不能按时来了.我的商务会议7点半才结束.