Words and sentences 5. Para. 4,L3 The random pattern of sales is also a random pattern of price increases -companies find it more profitable to increase prices (above the sale price by a larger amount on an unpredictable basis than by a small amount in a predictable way. Sentence structure:. companies find it more profitable to do than to do t:形式主语,指代 to increase prices by a larger amount ona… basis:以…方式 predictable/ unpredictable:adj.可预见的,不可预见的 省略句:…than[ to increase prices by a small amount in a predictable wayWords and sentences 5. Para. 4, L3 • The random pattern of sales is also a random pattern of price increases — companies find it more profitable to increase prices (above the sale price) by a larger amount on an unpredictable basis than by a small amount in a predictable way. • Sentence structure: … companies find it more profitable to do … than to do …. • it: 形式主语，指代to increase prices by a larger amount • on a … basis: 以… 方式 • predictable/ unpredictable: adj. 可预见的，不可预见的 • 省略句：… than [to increase prices] by a small amount in a predictable way