越来越多的人认识到，表面上相似的顾客群体在他们想买什么和他们想怎么买方面可能有非常不同的偏好。
There's a growing appreciation that superficially similar groups of customers may have very different preferences in terms of what they want to buy and how they want to buy it.
植物内部发出的电信号与动物复杂的大脑中发出的神经信号只是表面上相似，动物大脑不仅仅是“通过电信号交流的细胞群”，塔伊兹说道。
The signaling in a plant is only superficially similar to the firing in a complex animal brain, which is more than "a mass of cells that communicate by electricity," Taiz said.
只有当前活动与以前活动实际上相似，而不只是在表面上相似，并且准备估算的项目团队成员具备必要的专业知识时，类比估算才最为可靠。
Analogous estimating is most reliable when the previous activities are similar in fact and not just in appearance, and the project team members preparing the estimates have the needed expertise.
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