The roller coaster is still a favorite and no theme park would be complete without one.

乘坐过山车一直是特别受人喜爱的，没有它，就没有哪一个主题公园是完美的。

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Their expressions have no theme, the only rule is don't interrupt other people's words.

他们的表述没有主题，唯一的游戏规则是不可打断他人。

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You can do this journey in four and a half hours during the day, but remember: you will get no comfy bed, no vodka nightcap, and no theme tune.

BBC: Europe's eight best night trains

McDonald said that while many designers derived inspiration from the heritage of African textile traditions, no prevailing theme united the collections.

CNN: Fashion week in Lagos: Putting African designers on the map

In all, 37 states offered 160 ballot proposals, and the initiatives had no single unifying theme this November, unlike in 2004 and 2006, when voters saw same-sex marriage dominate ballots, according to the National Conference of State Legislatures.

CNN: Variety of proposals on ballots in 37 states