商品
象牙
象牙，作为非洲除奴隶贸易外最重要的商品之一，被欧洲人广泛用于制作各类精致的物品，如餐具、家具以及艺术装饰品等。
method = hunting
category = raw_material
color = goods_ivory
default_market_price = 4
ai_rgo_size_importance = 4
demand_add = {
nobles = 0.05
}
development_threshold = 20
wealth_impact_threshold = {
all = 1.1
}
sub_continent_demand_modifier = {
south_asia = 1.2
}