If they knew the depth of each customer's pockets in advance, they could offer only first-class tickets to the wealthy, and better-value tickets to everyone else.
如果事先知道每一位客户的钱包的深浅，他们可能只给富人提供头等舱机票，给其他人提供性价比更高的机票。
If they knew the depth of each customer's pockets in advance, they could offer only first-class tickets to the wealthy, and better-value tickets to everyone else.
如果事先知道每一位客户的钱包的深浅，他们可能只给富人提供头等舱机票，给其他人提供性价比更高的机票。
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