2011年不过是对编年体历史记载的古代风俗的新认识，一年一度绕着太阳旅行的必然起点。

2011 is merely a new entry in our ancient custom of chronological bookkeeping, an arbitrary starting point for our annual trip around the sun.

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学校乐队为了一年一度的实地旅行演出，必须募集资金。

Had to raise money for their annual field trip.

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一年一度的“春运”，也就是春节旅行高峰期，马上就要到来了，网上订票系统已经开启了。

The annual "Chunyun", or "spring travel rush", will hit China soon, and ticketing service for railway trips has already started online.

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