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1·When you join the army you have to go through the mill as the training is very severe.

如果你参军，你就得经受磨炼，因为训练是非常严格的。

2·Only after a harsh winter in view, can only see the rainbow after wind and rain, only to go through the mill have the harvest!

只有经过严冬才能迎来盛春，只有历经风雨才能看见彩虹，只有经受磨练才有收获！ ！