In its simplest form, you are taking two snapshots of the same place, separated by a period of time, to see how far they have moved apart.

最简单的方式莫过于你可以将不同时期的同一地球的快照放在一起来观察他们到底移开了多少距离。

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During the period from the date of effectiveness to the termination of the Contract, the two Parties shall hold a meeting every year to discuss problems arising form the execution of the Contract.

在合同生效之日起到合同终止之日的期间内，双方每年举行一次会议，讨论合同发行中出现的问题。

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After a long period of cultural fossilization, two forms of concepts form association chains, which can be said to be the product of metaphorical cognition.

不同概念之间相互关联，经过长期的文化积淀，就形成了“联想链”，因而可以说“联想链”是隐喻认知的产物。

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