nonperishable

1.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.

实际经验表明，小他不易腐烂的谷物的平均价格水平在一年之中是相的，这还没有考虑必须的仓储、利息保险费用。