The main difference between the two proposals is the delivery schedule, not the price.

這兩份提案的主要差異在於交貨時程，而不是價格。

Customers often ask about the difference between our standard and premium service plans.

顧客常詢問我們標準方案與進階方案之間的差別。

There is a significant difference in shipping costs between air freight and sea freight.

空運和海運的運費有相當大的差異。