Actual experience shows that on the average the price of wheat and other nonperishable crops remains the same all year round except for an allowance for storage, interest and insurance charges.
实际经验明,小麦和其他不易腐烂的谷物的
价格水
在
年之中是相同的,这还没有考虑必须的仓储、利息和保险费用。