The Mayan Calendar was written a long time ago.

玛雅历法是很久以前写的了。

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This date is very important in the Mayan calendar.

这个日子在玛雅历里是非常重要的。

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But it is the Mayan calendar that is causing people to worry.

但是就是这些玛雅人的历法使人担忧。

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But it is the Mayan calendar that is causing people to worry.

但是就是这些玛雅人的历法使人担忧。

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