三、等級運價 (考試重點)
英文原文：Class Rates are a further supplement to the General Cargo Rate tariff, and are applied by most airlines. Under Class Rating, certain commodities are offered a discount, and many more commodities are surcharged under class rating.
注釋：Class Rates: 等級運價 tariff: 關稅，價目表，價格表 surcharge: 額外索價;附加罰款
中文意思：等級運價進一步對普通運價進行了補充，并且被大部分航空公司使用。等級運價下，對某些商品給予折扣，在等級運價下更多的商品被征收附加費用。
四、指定商品運價 (考試重點)
英文原文：Specific Commodity Rates are rates that are applicable to named types of freight. In addition, they have a number of features which separate them as a distinct form of pricing.
注釋：Specific Commodity Rates: 指定商品運價 a number of: 許多的 feature: 特征，特色 distinct: 清楚的，明顯的
中文意思：指定商品運價是適合指定類型的貨物的運價。另外，指定商品有許多特征，區(qū)分出清晰的價格結構。
歷年考題：
In air cargo transportation, ( ) are rates which are applicable to named type of air cargo.
A. General Cargo Rates
B. Class Rates
C. Bulk Unitization Rates
D. Specific Commodity Rates
答案：D
分析：航空運輸中，指定商品運價適用于指定類型的航空貨物。
英文原文：Class Rates are a further supplement to the General Cargo Rate tariff, and are applied by most airlines. Under Class Rating, certain commodities are offered a discount, and many more commodities are surcharged under class rating.
注釋：Class Rates: 等級運價 tariff: 關稅，價目表，價格表 surcharge: 額外索價;附加罰款
中文意思：等級運價進一步對普通運價進行了補充，并且被大部分航空公司使用。等級運價下，對某些商品給予折扣，在等級運價下更多的商品被征收附加費用。
四、指定商品運價 (考試重點)
英文原文：Specific Commodity Rates are rates that are applicable to named types of freight. In addition, they have a number of features which separate them as a distinct form of pricing.
注釋：Specific Commodity Rates: 指定商品運價 a number of: 許多的 feature: 特征，特色 distinct: 清楚的，明顯的
中文意思：指定商品運價是適合指定類型的貨物的運價。另外，指定商品有許多特征，區(qū)分出清晰的價格結構。
歷年考題：
In air cargo transportation, ( ) are rates which are applicable to named type of air cargo.
A. General Cargo Rates
B. Class Rates
C. Bulk Unitization Rates
D. Specific Commodity Rates
答案：D
分析：航空運輸中，指定商品運價適用于指定類型的航空貨物。