一种观点认为，这些画是兽群季节性迁徙的记录。
One opinion is that the paintings were a record of seasonal migrations made by herds.
季节性迁徙是另一种逃避方式，特别是对大型哺乳动物或鸟类来说尤为如此。
Seasonal migration is another form of escape, especially for large mammals or birds.
而在下一个十年，全球金融业同样很有可能跟美国说再见。 有一种流行的观点认为，这样的行业迁徙将给美国带来灾难性后果。
The next decade may well see an equally dramatic shift in global finance away from the U.S. It is popular to view that shift as a pending catastrophe for America.
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