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上述举动会解决供给问题么？
唐朝士兵将扎满箭的稻草人提上来，因此解决了箭的供给问题。
Once the dummies where riddled with arrows the Tang soldiers pulled them back up the walls and thus restored their supply of arrows.
公共物品的供给问题源于人们的共同需要和公共利益。
The supply of public goods comes from people's common demands and public benefits.
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