Gift economies exist in primitive cultures where scarcity is not a problem.
礼物经济在物质不匮乏的远古时期就已经存在。
It is analysis that the problem of misfire exist in some blasting area.
分析认为部分爆区存在拒爆问题。
Useful if you know a problem doesn't exist in that function.
有用的，如果你知道一个问题，不存在该功能。
We are discussing a problem that should not exist in the first place!
我们在讨论一个本来不是问题的问题。
We are discussing a problem that should not exist in the first place!
我们在讨论一个本来不是问题的问题。
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