在模拟模型中，代表时间旅行的将会是等离子体激元在它们之前走过的路径上完成一个环。

In the toy model, the equivalent of time travel would be for a plasmons to complete a loop that runs along the exact same path it had previously traveled.

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新西兰是集旅行、身体和精神为一体的国家。

New Zealand is made for journeys physical and spiritual.

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为了给莫斯科之行做准备，我专门买了一本旅行指南和一张很管用的英文版街道地图，因为我看不懂俄语的西里尔字母的书写体。

I had prepared for the trip to Moscow by getting a guidebook and a good street map in English since I couldn't read the Russian Cyrillic script.

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