至于什么原因，我们无从得知，是否因为一场战争，也可能移动到城市了，或者迁移到了巨大的集体农庄，没有人知道确切的答案。

What was the reason for that - nobody knows; whether it was a war, a sprouting possibility to move to the biggest cities or a policy of kolkhoz sprawling, there is no exact answer.

youdao

出于练习的目的，我们假装没人玩过这个游戏，也没有人看过战争游戏。

Let's pretend, for the purposes of the exercise, that no one has ever played this before, and no one has watched War Games.

youdao

但是我们知道这是一个奇迹，在战争年代超过一百万件的文物通过陆路、水路、空运走了1万公里，没有一件丢失。

But we knew it was a miracle that in wartime over a million treasures were moved 10, 000 kilometers, on roads, in water, by air, and nothing was lost.

youdao