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Better Trade System

change goods price and amount of cats and goods for shops
修改商品价格和商店钱数货物数

"price change only" version here：
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=2013041314
仅修改价格和商品比例的版本：
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=2013041314

check discussion for detailed changes.

DO NOT NEED TO IMPORT

Compatibility:
1,existing game compatible √
2,should be compatible with the mods that add new town and faction, or change vanilla cities. if these mods use original squad template, the price modifiers will still work. if not, NO crash will occur at least.√
3,not compatible with other mods that change the price,shop cats and items,such as" trade route intensified"," shop cats+","shops have more items" ×

不需要导入

兼容性：
1、现有存档完全兼容。
2，应该和修改了城市，添加新城市的mod兼容，如果他们使用原版的商人模板，那么价格的修改就仍然有效。但即使没有，也不会冲突。
3，和其他修改价格，商店钱数、货物数的mod不兼容。例如" trade route intensified"," shop cats+","shops have more items"

I got inspired from jbra1's Trade Routes Intensified mod
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1658170081
and other mods that change the shop cats and items,but this mod isn't simply merging those mod together,I made many changes on my own and it is now quite different.