The ban by Indonesia, its biggest supplier, led to a surge in the price of sand, used in both concrete and land-reclamation.
新加坡最大的供应商印尼禁止沙子的出口，导致的沙价格的极速上涨，这些沙子可用于混泥土或农垦。
2
Landreclamation continued, and between 1590 and 1665, almost 100,000 hectares were reclaimed from the wetland areas of Holland, Zeeland, and Friesland.