英、美、加三国研究者的合作始于1998年流冰区的高山上发现古代驯鹿的骨骼和排泄物的时候。

Researchers from the U.S., U.K. and Canada have been collaborating since 1998, when ancient caribou bones and feces were found in high mountain ice patches.

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不过，读者恐怕不知道，“以茶代酒”始于三国东吴的末代皇帝孙皓。

However, I am afraid that readers do not know, "to the tea liquor on behalf of" the three countries began in Soochow of the Last Emperor.

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